2 John Carmack

Computer-game developer John Carmack introduced pioneering innovations in the 3-D game arena. He specializes in first-person shooter games, such as Quake and Doom. The id Software founder had spent a year in a juvenile home and had later dropped out of university to become a freelance programmer.
3 Duane Gish

Apart from being a renowned biochemist, Duane Gish was also a World War II veteran and a prominent Creationist. He taught at Cornell and penned iconic books such as Evolution: The Fossils Say No! He was also known for his fiery debates and had headed the Institute for Creation Research.
4 Robert Whittaker

5 John G. Thompson

6 Charles Bachman

7 Ruth Patrick

8 Earl W. Sutherland Jr.
Earl W. Sutherland Jr. was a pharmacologist and biochemist known for his work in the field of hormones. He was honored with a Nobel Prize in Physiology or Medicine in 1971. As a young man, he worked in the laboratory of Nobel laureate Carl Ferdinand Cori. Under Cori’s guidance, he began his research on the effects of hormones.
9 Donald F. Jones

Donald F. Jones revolutionized the corn-breeding industry by pioneering the double-cross hybrid variant of the food grain. The Harvard alumnus once worked as the only geneticist at the Connecticut Station. He also headed the Genetics Society of America as its president and was part of the National Academy of Sciences.
10 Elwyn L. Simons

Regarded widely as the father of modern primate paleontology, Elwyn L. Simons, is best remembered for his discovery of the Aegyptopithecus, the earliest common forebear of man, apes, and monkeys. An enthusiastic wildlife conservationist, too, he worked for the preservation of rare primates such as lemurs and lorises.