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WILLIAM SHOCKLEY - FIRST DAY COVER SIGNED CO-SIGNED BY: GLENN T. SEABORG, JOHN BARDEEN - HFSID 281229

JOHN BARDEEN, GLENN T. SEABORG, and WILLIAM SHOCKLEY1978 first day cover honoring NASA's Viking missions, signed by the inventors! First Day Cover signed "W= Shockley", "Glenn T Seaborg" and "John Bardeen". Black ink notations in bottom right corner in unknown hand.

Sale Price $450.00

Reg. $500.00

Condition: fine condition
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JOHN BARDEEN, GLENN T. SEABORG, and WILLIAM SHOCKLEY1978 first day cover honoring NASA's Viking missions, signed by the inventors! First Day Cover signed "W= Shockley", "Glenn T Seaborg" and "John Bardeen". Black ink notations in bottom right corner in unknown hand. 6½x3½. First Day Cover honoring the Viking missions to Mars. Postmarked Hampton, Virginia, July 20, 1978. One 15-cent color "Viking missions to Mars" stamp affixed. FIRST DAY OF ISSUE. BARDEEN (1908-1991) shared (with Leon Cooper and John Schrieffer) the 1972 Nobel Prize in Physics for the "theory of superconductivity", becoming the first person to win a second Nobel Prize in Physics.SEABORG (1912-1999) was a co-recipient of the 1951 Nobel Prize in Chemistry for his work as co-discoverer of elements#94 Plutonium (in 1941), #95 Americium, #96 Curium, #97 Berkelium and #98 Californium. Later, he played a part in creating elements #99 Einsteinium, #100 Fermium, #101 Mendelevium and #102 Nobelium. In 1994, a new element (#106 Seaborgium) was named after him, the first time the honor has been bestowed upon a living person. Seaborg worked on the Manhattan Project developing the atomic bomb, but signed a letter to President Truman urging that the bomb be dropped on a barren island as a demonstration. He chaired the Atomic Energy Commission (1961-1971) and helped negotiate the nuclear test ban treaty of 1963. SHOCKLEY (1910-1989) a London-born American physicist, gained notoriety for claiming that Blacks were "genetically inferior", and for proposing a sperm bank in which sperm from Nobel Laureates would be preserved to inseminate intelligent women to create exceptionally bright children. Envelope is open and empty. Normal postal stamps. Lightly toned and rippled. Adhesive stains on verso (no show-through). Otherwise, fine condition.

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