Dr. Albert Einstein, shown here on his sailboat in Germany in 1930, was a lifelong devotee of peaceful outdoor relaxation.
Dr. Theos Thompson, director of MIT's nuclear reactor, is an ex-football player who nowadays finds diversion in sport fishing.
Dr. Joseph Kaplan of UCLA, head of the U.S. International Geophysical Year, is a devoted football fan.
Dr. Edward Teller, famed "father of the H-bomb," plays his favorite game, chess, with his son Paul as his wife Mici (left) and daughter Wendi look on.
Four from Los Alamos relax at doubles: (from left) Physicist James L. Tuck and Mathematician Stanislaw Ulam, both thermonuclear experts and major H-bomb contributors; Theoretical Physicists Conrad L. Longmire and Donald C. Dodder, also ranking men in the nuclear weapons field.
John Williams, head of mathematics division of the Rand Corporation, turns from missiles to souping up sports cars during his off-duty hours.
Dr. Glenn Seabord, who directs chemical research at the University of California's Radiation Laboratory, swims, plays occasional golf and coaches his children in backyard basketball.
Dr. Wernher Von Braun, the Army's top missile man, is an expert skin-diver and explorer of submarine scenery.
Scientists on skis are Professor Richard Ogg of Stanford (left); Dr. Joel H. Hildebrand, a top research chemist at the U. of C.; and the late Dr. Irving Langmuir, Nobel Prizewinner in 1932 for his research in chemistry.
Dr. Albert Szent-Gyorgyi, Nobel Prizewinning biochemist and director of the Woods Hole, Mass. Institute for Muscle Research, is shown here engaged in his favorite sport, surf casting for striped bass.