37¢ Robert Millikan
Issue Date: January 26, 1982
City: Pasadena, CA
Printed By: Bureau of Engraving and Printing
Printing Method: Engraved
Perforations: 11 x 10 ½
Robert Millikan (1868-1953) won the Nobel Prize for physics in 1923 for his experiments studying the charge of electrons. This work, which began in 1909, helped to prove Albert Einstein's explanation of the photoelectric effect. From the 1920s into the 1940s, he studied cosmic rays. Millikan served as head of the California Institute of Technology from 1921 to 1945. He was awarded the Presidential Medal of Merit for his work on jet and propulsion systems during World War II.
The Great Americans Series
The popular Great Americans Series honors special Americans from all walks of life and honors them for their contributions to society and their fellow man. Sixty-four different stamps make up the complete set to pay tribute to important individuals who were leaders in education, the military, literature, the arts, and human and civil rights.