Jad Abumrad, 38, New York; radio co-host and producer of the nationally syndicated WNYC program Radiolab.
Marie-Therese Connolly, 54, Washington, D.C.; lawyer, works to combat physical and psychological elder abuse and elder financial exploitation.
Roland Fryer, 34, Cambridge, Mass.; Harvard University economics professor studies causes and consequences of economic disparity due to race and inequality.
Jeanne Gang, 47, Chicago; architect, focuses on geographic, social and environmental factors of buildings.
Elodie Ghedin, 44, Pittsburgh; parasitologist and assistant professor at University of Pittsburgh School of Medicine, studies genetic sequencing techniques.
Markus Greiner, 38, Cambridge, Mass.; Harvard University associate professor of physics and condensed matter physicist.
Kevin Guskiewicz, 45, Chapel Hill, N.C.; University of North Carolina professor, specializes in diagnosis, treatment and prevention of sports-related concussions.
Peter Hessler, 42, Ridgway, Colo.; long-form journalist whose work explores life in Reform Era China.
Tiya Miles, 41, Ann Arbor, Mich.; University of Michigan history professor, studies relationships between African and Cherokee people in colonial America.
Matthew Nock, 38, Cambridge, Mass.; clinical psychologist and Harvard University psychology professor, studies suicide and self-injury in adolescents and adults.
Francisco Nunez, 46, New York; choral conductor, composer, founder and artistic director of the Young People's Chorus of New York City.
Sarah Otto, 43, Vancouver, B.C.; University of British Columbia professor and evolutionary geneticist.
Shwetak Patel, 29, Seattle; sensor technologist, computer scientist and assistant professor at the University of Washington.
Dafnis Prieto, 37, New York; jazz percussionist and composer with classical training and Afro-Cuban musical heritage.
Kay Ryan, 65, Fairfax, Calif.; former poet laureate of the United States and author of eight volumes of poetry.
Melanie Sanford, 36, Ann Arbor, Mich.; organometallic chemist and University of Michigan professor of chemistry.
William Seeley, 39, San Francisco; University of California associate professor and neuropathologist who studies human neurodegenerative disease.
Jacob Soll, 42, Camden, N.J.; Rutgers University history professor whose work encompasses early modern Europe.
A.E. Stallings, 43, Athens, Greece; director of the poetry program at the Athens Centre, poet and translator.
Ubaldo Vitali, 67, Maplewood, N.J.; fourth-generation silversmith, conservator and scholar who restores silver masterworks and creates original art.
Alisa Weilerstein, 29, New York; cellist who performs traditional and contemporary music.
Yukiko Yamashita, 39, Ann Arbor, Mich.; University of Michigan Medical School assistant professor and developmental biologist, studies stem cell division.