PTYS/LPL Faculty

Erik Asphaug

Kuiper 428

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Erik Asphaug

Professor

B.S., 1984, Rice University; Ph.D., 1993, University of Arizona

Years with LPL: 2017

MMXPsyche, Hera

I study giant impacts that dominate the late stage of planet and satellite formation, such as that which formed the Moon. I want to understand how planets got to be so diverse; that is one of the subjects of my book, "When the Earth Had Two Moons" (HarperCollins 2019). I also study the geophysics of asteroids, comets and small moons, which are left over from accretion. Are they rubble piles? What causes their activity and surface patterns? How can we explore their interiors? I study the size-varying strength properties of meteorites as they relate to asteroids, and the origin of chondrules which I have proposed are the outcome of early planetesimal mergers. Motivated students have led me to study such interesting topics as crater lakes and patterned ground on Mars, the delivery of volatiles to the lunar surface, and Saturn's rings. I am committed to deep space exploration and am on the science teams of upcoming missions to asteroids Psyche and Didymos and to the Martian moons. I lead a NASA Discovery proposal, Comet Radar Explorer, that would obtain a high definition medical-like scan of a primitive object's interior. I work closely with a team in AME that is developing innovative low cost approaches to exploration, and cubesat laboratories that will rotate to mimic the low gravity environment of asteroids.

View LPL Evening Lecture from November 7, 2018, Impact Origin of the Moon?

Erik Asphaug was born in 1961 in Oslo, Norway, to parents who had immigrated to California after the war. He grew up in various parts of the US and in Norway. He majored in English and Math at Rice University, and then taught high school in Minneapolis and Tucson. He tried his hand at graduate studies at the University of Arizona, and has been a planetary scientist ever since. In 1998 he was awarded the Urey Prize of the Division of Planetary Sciences of the American Astronomical Society (AAS/DPS), and asteroid 7939 Asphaug is named for his research on comet geophysics and planetary impacts. He helped build the Planetary Sciences program at the University of California, Santa Cruz, and became Professor in 2006. In 2012 he began as Ronald Greeley Chair of Planetary Science at Arizona State University. In 2017 he moved back to Tucson to join the faculty of LPL in the Department of Planetary Sciences at the University of Arizona.

Current Grants

Principal Investigator:

Application of Machine Learning to Giant Impact Studies of Planet Formation 
Program name: NASA Planetary Science Division
Performance period: 04/15/19 – 04/14/22

Co-Investigator:

Psyche: Journey to a Metal World
PI: Prof. Linda Elkins-Tanton (ASU)
Program name: NASA Discovery Program, Science Mission Directorate 
Performance period: 02/15/17 – 09/15/2027

A Further Understanding of Bennu's Surface: Developing and Constraining Particle-Based Methods
PI: Dr. Stephen Schwartz (UA)
Program name: OSIRIS-REx Participating Scientist Program, NASA New Frontiers Program, Science Mission Directorate
Period of performance: 12/1/2017 to 11/30/2020

Scale-Dependent Measurements of Meteorite Strength: Implications for the Fragmentation of Potentially Hazardous Asteroids
PI: Prof. Desiree Cotto-Figueroa (UPRH)
Program name: NASA Solar System Observations
Period of performance: 08/01/2018 to 07/31/21 

Current Spacecraft Involvement

Former Spacecraft Involvement

  • Co-I, Lunar Cratering Observation and Sensing Satellite (LCROSS), NASA Ames (2006-2010; PI: T. Colaprete)
  • Associate, Galileo Solid State Imaging Science Team (1996-2003; PI: M. Belton)
  • Travis Gabriel (ASU)

Current Postdocs

Former Postdocs

  • Alan Jackson (2013-2016)
  • Desiree Cotto-Figueroa (2013-2015)
  • Andreas Reufer (2013, 2014)
  • Naor Movshovitz (2013)
  • Shangfei Liu (2013-2015)
  • Martin Jutzi (2009-2011)
  • Lindsey Chambers (2008-2011)
  • Misha Kreslavsky (2006-2012)
  • Don Korycansky (2000-2002)
  • Craig Agnor (2002-2004)

Based on Google Scholar and NASA ADS: NASA ADS Author search: Erik Asphaug

Recent refereed publications: Years 2019 through 2020

McKinnon, William B. and Asphaug, Erik 2020, Nature Astronomy. H. J. Melosh

R. T. Nallapu, S. R. Schwartz, E. Asphaug and J. Thangavelautham, "Robust Spin Control Design for the AOSAT+ Mission Concept," in IEEE Journal on Miniaturization for Air and Space Systems, vol. 1, no. 1, pp. 10-31, June 2020, doi: 10.1109/JSTARS.2020.2974615.

Ballouz, R. -L., Walsh, K. J., Barnouin, O. S., DellaGiustina, D. N., Asad, M. Al, Jawin, E. R., Daly, M. G., Bottke, W. F., Michel, P., Avdellidou, C., Delbo, M., Daly, R. T., Asphaug, E., Bennett, C. A., Bierhaus, E. B., Connolly, H. C., Golish, D. R., Molaro, J. L., Nolan, M. C., Pajola, M., Rizk, B., Schwartz, S. R., Trang, D., Wolner, C. W. V., & Lauretta, D. S. 2020, Nature. Bennu's near-Earth lifetime of 1.75 million years inferred from craters on its boulders

Asphaug, Erik 2020, Nature. Eye of a skull reveals details of cometary materials

Cheng, Bin, Yu, Yang, Asphaug, Erik, Michel, Patrick, Richardson, Derek C., Hirabayashi, Masatoshi, Yoshikawa, Makoto, & Baoyin, Hexi 2020, Nature Astronomy. Reconstructing the formation history of top-shaped asteroids from the surface boulder distribution

Barnouin, O. S., Daly, M. G., Palmer, E. E., Gaskell, R. W., Weirich, J. R., Johnson, C. L., Al Asad, M. M., Roberts, J. H., Perry, M. E., Susorney, H. C. M., Daly, R. T., Bierhaus, E. B., Seabrook, J. A., Espiritu, R. C., Nair, A. H., Nguyen, L., Neumann, G. A., Ernst, C. M., Boynton, W. V., Nolan, M. C., Adam, C. D., Moreau, M. C., Rizk, B., Drouet D'Aubigny, C. Y., Jawin, E. R., Walsh, K. J., Michel, P., Schwartz, S. R., Ballouz, R. -L., Mazarico, E. M., Scheeres, D. J., McMahon, J. W., Bottke, W. F., Sugita, S., Hirata, N., Hirata, N., Watanabe, S. -I., Burke, K. N., Dellagiustina, D. N., Bennett, C. A., Lauretta, D. S., Osiris-Rex Team, Highsmith, D. E., Small, J., Vokrouhlický, D., Bowles, N. E., Brown, E., Donaldson Hanna, K. L., Warren, T., Brunet, C., Chicoine, R. A., Desjardins, S., Gaudreau, D., Haltigin, T., Millington-Veloza, S., Rubi, A., Aponte, J., Gorius, N., Lunsford, A., Allen, B., Grindlay, J., Guevel, D., Hoak, D., Hong, J., Schrader, D. L., Bayron, J., Golubov, O., Sánchez, P., Stromberg, J., Hirabayashi, M., Hartzell, C. M., Oliver, S., Rascon, M., Harch, A., Joseph, J., Squyres, S., Richardson, D., Emery, J. P., McGraw, L., Ghent, R., Binzel, R. P., Asad, M. M. Al, Johnson, C. L., Philpott, L., Susorney, H. C. M., Cloutis, E. A., Hanna, R. D., Connolly, H. C., Ciceri, F., Hildebrand, A. R., Ibrahim, E. -M., Breitenfeld, L., Glotch, T., Rogers, A. D., Clark, B. E., Ferrone, S., Thomas, C. A., Campins, H., Fernandez, Y., Chang, W., Cheuvront, A., Trang, D., Tachibana, S., Yurimoto, H., Brucato, J. R., Poggiali, G., Pajola, M., Dotto, E., Epifani, E. Mazzotta, Crombie, M. K., Lantz, C., Izawa, M. R. M., de Leon, J., Licandro, J., Garcia, J. L. Rizos, Clemett, S., Thomas-Keprta, K., van Wal, S., Yoshikawa, M., Bellerose, J., Bhaskaran, S., Boyles, C., Chesley, S. R., Elder, C. M., Farnocchia, D., Harbison, A., Kennedy, B., Knight, A., Martinez-Vlasoff, N., Mastrodemos, N., McElrath, T., Owen, W., Park, R., Rush, B., Swanson, L., Takahashi, Y., Velez, D., Yetter, K., Thayer, C., Adam, C., Antreasian, P., Bauman, J., Bryan, C., Carcich, B., Corvin, M., Geeraert, J., Hoffman, J., Leonard, J. M., Lessac-Chenen, E., Levine, A., McAdams, J., McCarthy, L., Nelson, D., Page, B., Pelgrift, J., Sahr, E., Stakkestad, K., Stanbridge, D., Wibben, D., Williams, B., Williams, K., Wolff, P., Hayne, P., Kubitschek, D., Barucci, M. A., Deshapriya, J. D. P., Fornasier, S., Fulchignoni, M., Hasselmann, P., Merlin, F., Praet, A., Bierhaus, E. B., Billett, O., Boggs, A., Buck, B., Carlson-Kelly, S., Cerna, J., Chaffin, K., Church, E., Coltrin, M., Daly, J., Deguzman, A., Dubisher, R., Eckart, D., Ellis, D., Falkenstern, P., Fisher, A., Fisher, M. E., Fleming, P., Fortney, K., Francis, S., Freund, S., Gonzales, S., Haas, P., Hasten, A., Hauf, D., Hilbert, A., Howell, D., Jaen, F., Jayakody, N., Jenkins, M., Johnson, K., Lefevre, M., Ma, H., Mario, C., Martin, K., May, C., McGee, M., Miller, B., Miller, C., Miller, G., Mirfakhrai, A., Muhle, E., Norman, C., Olds, R., Parish, C., Ryle, M., Schmitzer, M., Sherman, P., Skeen, M., Susak, M., Sutter, B., Tran, Q., Welch, C., Witherspoon, R., Wood, J., Zareski, J., Arvizu-Jakubicki, M., Asphaug, E., Audi, E., Ballouz, R. -L., Bandrowski, R., Becker, K. J., Becker, T. L., Bendall, S., Bennett, C. A., Bloomenthal, H., Blum, D., Boynton, W. V., Brodbeck, J., Burke, K. N., Chojnacki, M., Colpo, A., Contreras, J., Cutts, J., D'Aubigny, C. Y. Drouet, Dean, D., Dellagiustina, D. N., Diallo, B., Drinnon, D., Drozd, K., Enos, H. L., Enos, R., Fellows, C., Ferro, T., Fisher, M. R., Fitzgibbon, G., Fitzgibbon, M., Forelli, J., Forrester, T., Galinsky, I., Garcia, R., Gardner, A., Golish, D. R., Habib, N., Hamara, D., Hammond, D., Hanley, K., Harshman, K., Hergenrother, C. W., Herzog, K., Hill, D., Hoekenga, C., Hooven, S., Howell, E. S., Huettner, E., Janakus, A., Jones, J., Kareta, T. R., Kidd, J., Kingsbury, K., Balram-Knutson, S. S., Koelbel, L., Kreiner, J., Lambert, D., Lauretta, D. S., Lewin, C., Lovelace, B., Loveridge, M., Lujan, M., Maleszewski, C. K., Malhotra, R., Marchese, K., McDonough, E., Mogk, N., Morrison, V., Morton, E., Munoz, R., Nelson, J., Nolan, M. C., Padilla, J., Pennington, R., Polit, A., Ramos, N., Reddy, V., Riehl, M., Rizk, B., Roper, H. L., Salazar, S., Schwartz, S. R., Selznick, S., Shultz, N., Smith, P. H., Stewart, S., Sutton, S., Swindle, T., Tang, Y. H., Westermann, M., Wolner, C. W. V., Worden, D., Zega, T., Zeszut, Z., Bjurstrom, A., Bloomquist, L., Dickinson, C., Keates, E., Liang, J., Nifo, V., Taylor, A., Teti, F., Caplinger, M., Bowles, H., Carter, S., Dickenshied, S., Doerres, D., Fisher, T., Hagee, W., Hill, J., Miner, M., Noss, D., Piacentine, N., Smith, M., Toland, A., Wren, P., Bernacki, M., Munoz, D. Pino, Watanabe, S. -I., Sandford, S. A., Aqueche, A., Ashman, B., Barker, M., Bartels, A., Berry, K., Bos, B., Burns, R., Calloway, A., Carpenter, R., Castro, N., Cosentino, R., Donaldson, J., Dworkin, J. P., Cook, J. Elsila, Emr, C., Everett, D., Fennell, D., Fleshman, K., Folta, D., Gallagher, D., Garvin, J., Getzandanner, K., Glavin, D., Hull, S., Hyde, K., Ido, H., Ingegneri, A., Jones, N., Kaotira, P., Lim, L. F., Liounis, A., Lorentson, C., Lorenz, D., Lyzhoft, J., Mazarico, E. M., Mink, R., Moore, W., Moreau, M., Mullen, S., Nagy, J., Neumann, G., Nuth, J., Poland, D., Reuter, D. C., Rhoads, L., Rieger, S., Rowlands, D., Sallitt, D., Scroggins, A., Shaw, G., Simon, A. A., Swenson, J., Vasudeva, P., Wasser, M., Zellar, R., Grossman, J., Johnston, G., Morris, M., Wendel, J., Burton, A., Keller, L. P., McNamara, L., Messenger, S., Nakamura-Messenger, K., Nguyen, A., Righter, K., Queen, E., Bellamy, K., Dill, K., Gardner, S., Giuntini, M., Key, B., Kissell, J., Patterson, D., Vaughan, D., Wright, B., Gaskell, R. W., Le Corre, L., Li, J. -Y., Molaro, J. L., Palmer, E. E., Siegler, M. A., Tricarico, P., Weirich, J. R., Zou, X. -D., Ireland, T., Tait, K., Bland, P., Anwar, S., Bojorquez-Murphy, N., Christensen, P. R., Haberle, C. W., Mehall, G., Rios, K., Franchi, I., Rozitis, B., Beddingfield, C. B., Marshall, J., Brack, D. N., French, A. S., McMahon, J. W., Scheeres, D. J., Jawin, E. R., McCoy, T. J., Russell, S., Killgore, M., Bottke, W. F., Hamilton, V. E., Kaplan, H. H., Walsh, K. J., Bandfield, J. L., Clark, B. C., Chodas, M., Lambert, M., Masterson, R. A., Daly, M. G., Freemantle, J., Seabrook, J. A., Barnouin, O. S., Craft, K., Daly, R. T., Ernst, C., Espiritu, R. C., Holdridge, M., Jones, M., Nair, A. H., Nguyen, L., Peachey, J., Perry, M. E., Plescia, J., Roberts, J. H., Steele, R., Turner, R., Backer, J., Edmundson, K., Mapel, J., Milazzo, M., Sides, S., Manzoni, C., May, B., Delbo', M., Libourel, G., Michel, P., Ryan, A., Thuillet, F., & Marty, B. 2020, Nature Geoscience. Author Correction: Shape of (101955) Bennu indicative of a rubble pile with internal stiffness

Asphaug, Erik 2020, Nature Communications. Interiors of small bodies and moons

Elkins-Tanton, L. T., Asphaug, E., Bell, J. F., Bercovici, H., Bills, B., Binzel, R., Bottke, W. F., Dibb, S., Lawrence, D. J., Marchi, S., McCoy, T. J., Oran, R., Park, R. S., Peplowski, P. N., Polanskey, C. A., Prettyman, T. H., Russell, C. T., Schaefer, L., Weiss, B. P., Wieczorek, M. A., Williams, D. A., & Zuber, M. T. 2020, Journal of Geophysical Research (Planets). Observations, Meteorites, and Models: A Preflight Assessment of the Composition and Formation of (16) Psyche

Gabriel, Travis S. J., Jackson, Alan P., Asphaug, Erik, Reufer, Andreas, Jutzi, Martin, & Benz, Willy 2020, The Astrophysical Journal. Gravity-dominated Collisions: A Model for the Largest Remnant Masses with Treatment for "Hit and Run" and Density Stratification

Emsenhuber, Alexandre, Cambioni, Saverio, Asphaug, Erik, Gabriel, Travis S. J., Schwartz, Stephen R., & Furfaro, Roberto 2020, The Astrophysical Journal. Realistic On-the-fly Outcomes of Planetary Collisions. II. Bringing Machine Learning to N-body Simulations

Marsset, Michaël, Brož, Miroslav, Vernazza, Pierre, Drouard, Alexis, Castillo-Rogez, Julie, Hanuš, Josef, Viikinkoski, Matti, Rambaux, Nicolas, Carry, Benoît, Jorda, Laurent, Ševeček, Pavel, Birlan, Mirel, Marchis, Franck, Podlewska-Gaca, Edyta, Asphaug, Erik, Bartczak, Przemyslaw, Berthier, Jérôme, Cipriani, Fabrice, Colas, François, Dudziński, Grzegorz, Dumas, Christophe, Durech, Josef, Ferrais, Marin, Fétick, Romain, Fusco, Thierry, Jehin, Emmanuel, Kaasalainen, Mikko, Kryszczynska, Agnieszka, Lamy, Philippe, Le Coroller, Hervé, Marciniak, Anna, Michalowski, Tadeusz, Michel, Patrick, Richardson, Derek C., Santana-Ros, Toni, Tanga, Paolo, Vachier, Frédéric, Vigan, Arthur, Witasse, Olivier, & Yang, Bin 2020, Nature Astronomy. The violent collisional history of aqueously evolved (2) Pallas

Wright, Esteban, Quillen, Alice C., South, Juliana, Nelson, Randal C., Sánchez, Paul, Martini, Larkin, Schwartz, Stephen R., Nakajima, Miki, & Asphaug, Erik 2020, Icarus. Boulder stranding in ejecta launched by an impact generated seismic pulse

Marchi, S., Durda, D. D., Polanskey, C. A., Asphaug, E., Bottke, W. F., Elkins-Tanton, L. T., Garvie, L. A. J., Ray, S., Chocron, S., & Williams, D. A. 2020, Journal of Geophysical Research (Planets). Hypervelocity Impact Experiments in Iron-Nickel Ingots and Iron Meteorites: Implications for the NASA Psyche Mission

Emsenhuber, Alexandre & Asphaug, Erik 2019, The Astrophysical Journal. Graze-and-merge Collisions under External Perturbers

Sava, Paul & Asphaug, Erik 2019, Advances in Space Research. Seismology on small planetary bodies by orbital laser Doppler vibrometry

Cambioni, Saverio, Delbo, Marco, Ryan, Andrew J., Furfaro, Roberto, & Asphaug, Erik 2019, Icarus. Constraining the thermal properties of planetary surfaces using machine learning: Application to airless bodies

Walsh, K. J., Jawin, E. R., Ballouz, R. -L., Barnouin, O. S., Bierhaus, E. B., Connolly, H. C., Molaro, J. L., McCoy, T. J., Delbo', M., Hartzell, C. M., Pajola, M., Schwartz, S. R., Trang, D., Asphaug, E., Becker, K. J., Beddingfield, C. B., Bennett, C. A., Bottke, W. F., Burke, K. N., Clark, B. C., Daly, M. G., Dellagiustina, D. N., Dworkin, J. P., Elder, C. M., Golish, D. R., Hildebrand, A. R., Malhotra, R., Marshall, J., Michel, P., Nolan, M. C., Perry, M. E., Rizk, B., Ryan, A., Sandford, S. A., Scheeres, D. J., Susorney, H. C. M., Thuillet, F., Lauretta, D. S., & Osiris-Rex Team 2019, Nature Geoscience. Publisher Correction: Craters, boulders and regolith of (101955) Bennu indicative of an old and dynamic surface

Emsenhuber, Alexandre & Asphaug, Erik 2019, The Astrophysical Journal. Fate of the Runner in Hit-and-run Collisions

Cambioni, Saverio, Asphaug, Erik, Emsenhuber, Alexandre, Gabriel, Travis S. J., Furfaro, Roberto, & Schwartz, Stephen R. 2019, The Astrophysical Journal. Realistic On-the-fly Outcomes of Planetary Collisions: Machine Learning Applied to Simulations of Giant Impacts

Barnouin, O. S., Daly, M. G., Palmer, E. E., Gaskell, R. W., Weirich, J. R., Johnson, C. L., Al Asad, M. M., Roberts, J. H., Perry, M. E., Susorney, H. C. M., Daly, R. T., Bierhaus, E. B., Seabrook, J. A., Espiritu, R. C., Nair, A. H., Nguyen, L., Neumann, G. A., Ernst, C. M., Boynton, W. V., Nolan, M. C., Adam, C. D., Moreau, M. C., Rizk, B., Drouet D'Aubigny, C. Y., Jawin, E. R., Walsh, K. J., Michel, P., Schwartz, S. R., Ballouz, R. -L., Mazarico, E. M., Scheeres, D. J., McMahon, J. W., Bottke, W. F., Sugita, S., Hirata, N., Hirata, N., Watanabe, S. -I., Burke, K. N., Dellagiustina, D. N., Bennett, C. A., Lauretta, D. S., Osiris-Rex Team, Highsmith, D. E., Small, J., Vokrouhlický, D., Bowles, N. E., Brown, E., Donaldson Hanna, K. L., Warren, T., Brunet, C., Chicoine, R. A., Desjardins, S., Gaudreau, D., Haltigin, T., Millington-Veloza, S., Rubi, A., Aponte, J., Gorius, N., Lunsford, A., Allen, B., Grindlay, J., Guevel, D., Hoak, D., Hong, J., Schrader, D. L., Bayron, J., Golubov, O., Sánchez, P., Stromberg, J., Hirabayashi, M., Hartzell, C. M., Oliver, S., Rascon, M., Harch, A., Joseph, J., Squyres, S., Richardson, D., Emery, J. P., McGraw, L., Ghent, R., Binzel, R. P., Asad, M. M. Al, Johnson, C. L., Philpott, L., Susorney, H. C. M., Cloutis, E. A., Hanna, R. D., Connolly, H. C., Ciceri, F., Hildebrand, A. R., Ibrahim, E. -M., Breitenfeld, L., Glotch, T., Rogers, A. D., Clark, B. E., Ferrone, S., Thomas, C. A., Campins, H., Fernandez, Y., Chang, W., Cheuvront, A., Trang, D., Tachibana, S., Yurimoto, H., Brucato, J. R., Poggiali, G., Pajola, M., Dotto, E., Epifani, E. Mazzotta, Crombie, M. K., Lantz, C., Izawa, M. R. M., de Leon, J., Licandro, J., Garcia, J. L. Rizos, Clemett, S., Thomas-Keprta, K., van Wal, S., Yoshikawa, M., Bellerose, J., Bhaskaran, S., Boyles, C., Chesley, S. R., Elder, C. M., Farnocchia, D., Harbison, A., Kennedy, B., Knight, A., Martinez-Vlasoff, N., Mastrodemos, N., McElrath, T., Owen, W., Park, R., Rush, B., Swanson, L., Takahashi, Y., Velez, D., Yetter, K., Thayer, C., Adam, C., Antreasian, P., Bauman, J., Bryan, C., Carcich, B., Corvin, M., Geeraert, J., Hoffman, J., Leonard, J. M., Lessac-Chenen, E., Levine, A., McAdams, J., McCarthy, L., Nelson, D., Page, B., Pelgrift, J., Sahr, E., Stakkestad, K., Stanbridge, D., Wibben, D., Williams, B., Williams, K., Wolff, P., Hayne, P., Kubitschek, D., Barucci, M. A., Deshapriya, J. D. P., Fornasier, S., Fulchignoni, M., Hasselmann, P., Merlin, F., Praet, A., Bierhaus, E. B., Billett, O., Boggs, A., Buck, B., Carlson-Kelly, S., Cerna, J., Chaffin, K., Church, E., Coltrin, M., Daly, J., Deguzman, A., Dubisher, R., Eckart, D., Ellis, D., Falkenstern, P., Fisher, A., Fisher, M. E., Fleming, P., Fortney, K., Francis, S., Freund, S., Gonzales, S., Haas, P., Hasten, A., Hauf, D., Hilbert, A., Howell, D., Jaen, F., Jayakody, N., Jenkins, M., Johnson, K., Lefevre, M., Ma, H., Mario, C., Martin, K., May, C., McGee, M., Miller, B., Miller, C., Miller, G., Mirfakhrai, A., Muhle, E., Norman, C., Olds, R., Parish, C., Ryle, M., Schmitzer, M., Sherman, P., Skeen, M., Susak, M., Sutter, B., Tran, Q., Welch, C., Witherspoon, R., Wood, J., Zareski, J., Arvizu-Jakubicki, M., Asphaug, E., Audi, E., Ballouz, R. -L., Bandrowski, R., Becker, K. J., Becker, T. L., Bendall, S., Bennett, C. A., Bloomenthal, H., Blum, D., Boynton, W. V., Brodbeck, J., Burke, K. N., Chojnacki, M., Colpo, A., Contreras, J., Cutts, J., D'Aubigny, C. Y. Drouet, Dean, D., Dellagiustina, D. N., Diallo, B., Drinnon, D., Drozd, K., Enos, H. L., Enos, R., Fellows, C., Ferro, T., Fisher, M. R., Fitzgibbon, G., Fitzgibbon, M., Forelli, J., Forrester, T., Galinsky, I., Garcia, R., Gardner, A., Golish, D. R., Habib, N., Hamara, D., Hammond, D., Hanley, K., Harshman, K., Hergenrother, C. W., Herzog, K., Hill, D., Hoekenga, C., Hooven, S., Howell, E. S., Huettner, E., Janakus, A., Jones, J., Kareta, T. R., Kidd, J., Kingsbury, K., Balram-Knutson, S. S., Koelbel, L., Kreiner, J., Lambert, D., Lauretta, D. S., Lewin, C., Lovelace, B., Loveridge, M., Lujan, M., Maleszewski, C. K., Malhotra, R., Marchese, K., McDonough, E., Mogk, N., Morrison, V., Morton, E., Munoz, R., Nelson, J., Nolan, M. C., Padilla, J., Pennington, R., Polit, A., Ramos, N., Reddy, V., Riehl, M., Rizk, B., Roper, H. L., Salazar, S., Schwartz, S. R., Selznick, S., Shultz, N., Smith, P. H., Stewart, S., Sutton, S., Swindle, T., Tang, Y. H., Westermann, M., Wolner, C. W. 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