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"Astronomer" Harold Johnson Hand Signed FDC Dated 1948 For Sale
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"Astronomer" Harold Johnson Hand Signed FDC Dated 1948:
$209.99
Up for sale "Astronomer" Harold Johnson Hand Signed First Day Cover Dated 1948.
ES-7285E Harold Lester Johnson (April 17, 1921 – April 2, 1980) was an American astronomer. Harold Johnson was born in Denver, Colorado, on April 17, 1921. He received his early education in Denver public schools and went to the University of Denver, graduating with a degree in mathematics in 1942. Johnson was recruited by the MIT Radiation Laboratory to work on World War II related radar research. After the war Johnson began graduate studies in astronomy at University of California, Berkeley where he completed his thesis under Harold Weaver in 1948. In the following years working at Lowell Observatory, University of Wisconsin–Madison, Yerkes Observatory (where he met William Wilson Morgan), McDonald Observatory, University of Texas–Austin, the Lunar and Planetary Laboratory in Tucson, Arizona, University of Mexico he applied his instrumental and electronic talents to developing and calibrating astronomical photoelectric detectors. He died of a heart attack in Mexico City in 1980. He and his wife, Mary Elizabeth Jones, had two children. Johnson was awarded the Helen B. Warner Prize by the American Astronomical Society in 1956. He was elected to the National Academy of Sciences in 1969. He is remembered for introducing the UBV photometric system (also called the Johnson or Johnson-Morgan system), along with William Wilson Morgan in 1953.
"Astronomer" Harold Johnson Hand Signed FDC Dated 1948 $209.99
Royal Astronomer, Dr Harold Spencer Jones looking through a giant - 1930s Photo $5.69
Royal Astronomer, Dr Harold Spencer Jones looking through a giant - 1930s Photo $5.69
Royal Astronomer, Dr Harold Spencer Jones standing next to a giant- 1930s Photo $5.69
1947 Astronomer Royal Harold Spencer Jones Honoured By Belgium $6.35
SIR HAROLD SPENCER JONES .ASTRONOMER ROYAL. GENUINE AUTOGRAPH $17.78
sir Harold Spencer-Jones astronomer royal in his Observatory telescope 1950s $8.83
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