of the Board, C&O Railroad Science and technology John Backus (attended) – inventor of first high-level programming language, FORTRAN, and recipient of the 1977 A.M. Turing Award Daniel Barringer, Grad 1888 – proved the existence of meteorites on Earth (Barringer Meteorite Crater) Jesse Beams, Grad 1926 – one of five primary physicists selected for the Manhattan Project, pioneer of ultracentrifuge William Yancey Brown, Col 1969 - President of Bishop Museum, author and institutional leader S. Ward Casscells, Med 1939 – pioneering orthopedic surgeon, introduced arthroscopy of the knee joint into practice in the United States Edmund M. Clarke, Col 1967 – FORE Systems Professor of Computer Science Emeritus at Carnegie Mellon University and recipient of the 2007 A.M. Turing Award Francis Collins, Col 1970 – Director of the Human Genome Project Norman L. Crabill, MAE – engineer, inventor, author Heber Doust Curtis, Grad 1902 – astronomer who participated in the "Great Debate" with Harlow Shapley, 1920 David John Doukas, Col 1975 – Clinical bioethics scholar, Family Physician Wade Hampton Frost, Med 1903 – established epidemiology as a science; founding dean of Johns Hopkins School of Public Health Matthew P. Hardy, Ph.D. in Biology 1985 – reproductive biologist who has made fundamental contributions in Leydig cell differentiation and function J. Hartwell Harrison, Med 1932 – pioneer kidney transplant surgeon, member of Board of Visitors Steve Huffman, Engr 2005 – co-founder of Reddit Richard Lutz, Col 1971 – deep sea vent researcher, Director of the Institute of Marine and Coastal Sciences Janet Akyüz Mattei, Grad 1972 – astronomer; Director, the American Association of Variable Star Observers Edward P. Ney, Ph.D 1946 and Faculty 1946–47 – astrophysicist; discovered heavy cosmic ray nuclei Haller Nutt (attended 1832-35) -- developer of the Egypto-Mexican cotton hybrid Alexis Ohanian, Comm 2005 – co-founder of Reddit Charles Pollard Olivier, Grad 1911 – astronomer; founder, American Meteor Society Charlie Papazian, nuclear engineer; influential member of the American homebrewing movement Phil Plait, Grad 1994 – author of Bad Astronomy and Bad Astronomy blog Walter Reed, Med 1869 – discovered transmission of yellow fever Mendel Rosenblum, Col 1984 – co-founder of VMware Stuart Schreiber, Col 1977 – chemical biologist; founding member of the Broad Institute of Harvard and MIT Nicole Shelton, M.A 1996, Ph.D. 1998 – Stuart Professor of Psychology at Princeton University Ann M. Valentine, BS 1993 – inorganic chemist Alexander N. Vyssotsky, Grad 1927 – astronomer; cataloged Milky Way