CHARLES H. TOWNES - FIRST DAY COVER SIGNED - HFSID 303707
Sale Price $144.00
Reg. $160.00
CHARLES H. TOWNES
FDC honoring the World War II Liberty Ships
First Day Cover signed: "Chas. H. Townes", 6½x3¾. FDC honoring the Liberty Ships of World War II, postmarked Phoenix, Arizona, September 3, 1991, 29-cent stamp affixed, FIRST DAY OF ISSUE. American physicist Charles Hard Townes (1915-2015) shared the 1964 Nobel Prize for Physics with Soviet scientists Aleksandr M. Prokhorov and Nikolay G. Basov "for fundamental work in the field of quantum electronics, which has led to the construction of oscillators and amplifiers based on the maser-laser principle". Townes created the first maser - a predecessor to the laser that amplified microwaves - with two students in 1953. He and A. L. Schawlow also showed that it was possible to construct a laser in 1958, two years before the first ruby laser was built by Theodore Maiman. A believer in the ultimate convergence of science and religion, Townes is one of only three persons (with Mother Theresa and the Dalai Lama) to win both a Nobel Prize and the Templeton Prize (for spiritual research and discoveries). Fine condition.
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