John Holdren

Cristina Alberini is a professor of neural science at New York University whose research focuses on the identification and characterization of the biological mechanisms that accompany long-term memory formation, storage …

David Albert is the Frederick E. Woodbridge Professor of Philosophy at Columbia University and a physicist who explores quantum mechanics. He is world-renowned for his insights into philosophical questions about the nature of time, space, and other problems of modern physics.

Andreas Albrecht is a leading theoretical cosmologist. He received his Ph.D. from the University of Pennsylvania in 1983 where, with Paul Steinhardt, he wrote one of the original papers on “new” or “slow roll” inflation.

Alan Alda, a seven-time Emmy® Award winner, played Hawkeye Pierce and wrote many of the episodes on the classic TV series M*A*S*H. He has starred in, written, and directed many films, and was nominated for an Academy Award for his role in The Aviator.

Elizabeth Alexander is a poet, essayist, playwright, and teacher, who composed and delivered “Praise Song for the Day” for the inauguration of President Barack Obama. Among her many awards was the first Alphonse Fletcher, Sr. Fellowship for work that “contributes to improving race relations in American society and furthers the broad social goals of the U.S. Supreme Court’s Brown v. Board of Education decision of 1954.”

Theoretical physicist Stephon Alexander explores unresolved questions about the early universe. Also an accomplished jazz musician, Alexander has collaborated with Grammy Award-winning musician Will Calhoun.