SCIENCE, MEDICINE, INVENTION

ALBERT B. SABIN SIGNED PHOTO AM. MEDICAL RESEARCHER DEV. ORAL POLIO VACCINE

ASTRONOMER RICHARD A. PROCTOR HANDWRITTEN LETTER SIGNED ON SCIENCE AND RELIGION

CECIL FRANK POWELL SIGNED ENSEMBLE, 1950 NOBEL PRIZE PHYSICS

CHARLES H. TOWNES SIGNED ENSEMBLE, 1964 NOBEL PRIZE, MASER & LASERS

CLARA BARTON HISTORIC AUTOGRAPH LETTER SIGNED WITH AMERICAN RED CROSS CONTENT

D. CARLETON GAJDUSEK SIGNATURE WINNER NOBEL PRIZE 1976 PHYSIOLOGY OR MEDICINE

DICKINSON W. RICHARDS SIGNED & DATED ON PRESCRIPTION FORM-NOBEL PRIZE CARDIAC CATHETERIZATION

DONALD A. GLASER SIGNED ENSEMBLE, 1960 NOBEL PRIZE IN PHYSICS

DR. THAT RONALD REAGAN PRAISED: SAVED LIFE IN ASSASSINATION ATTEMPT

EARLE OVINGTON SIGNED FIRST DAY ISSUE POSTAL COVER FOR THE TWENTIETH ANNIVERSARY OF HIS FIRST AIR MAIL FLIGHT ON SEPTEMBER 23, 1911

EDWARD M. PURCELL SIGNED ENSEMBLE, 1952 NOBEL PRIZE IN PHYSICS

EDWARD P. ROE SIGNED SLIP AMERICAN AUTHOR, PASTOR, HORTICULTURIST