This series of 25 recorded interviews with early radiation workers was initiated in 1977 by the Food and Drug Administration of the U.S. Department. of Health and Human Services to provide an historical overview of their research and discoveries primarily in the fields of medical physics, radiation, and radiobiology. Lauriston S. Taylor moderated the series and also was an interview subject. Others interviewed were: Howard Andrews (50 minutes), Carl Braestrup (55 minutes), Austin Brues (45 minutes), Robley Evans (56 minutes), George Henny (53 minutes), Paul Henshaw (50 minutes), Norman Hilberry (57 minutes), Lillian Jacobson (55 minutes), Harold Johns (57 minutes), George Laurence (60 minutes), John Lawrence (57 minutes), Herbert Parker (98 minutes), Edward Pochin (47 minutes), Edith Quimby (51 minutes), John Rose (56 minutes), Roberts Rugh (46 minutes), J. Newell Stannard (52 minutes), E. Dale Trout (54 minutes), John Trump (57 minutes), John Victoreen (59 minutes), S. Reid Warren (44 minutes), Shields Warren (57 minutes), Marvin Williams (53 minutes), and Harold Wyckoff (57 minutes).