HE PRESENTED HIS OBSERVATIONS OF THE SOLAR ECLIPE OF MAY 29, 1919, WHICH CONFIRMED ALBERT EINSTEIN’S THEORY OF THE EFFECT OF GRAVITY ON LIGHT WHICH UNTIL THAT TIME HAD BEEN RECEIVED WITH SOME SKEPTICISM BY THE SCIENTIFIC COMMUNITY
SIR FRANK WATSON DYSON (1868-1939) SIGNED CARD, “F. W. Dyson”, on a card 4.25 3.5, by the English Astronomer who was appointed Astronomer Royal for Scotland (1905-10) and the 9th Astronomer Royal (and Director of the Royal Greenwich Observatory) from 1910-1933, who is remembered today largely for introducing time signals (“pips”) from Greenwich, England, and for the role he played in proving Einstein’s theory of general relativity. He was also president of the British Horological (clocks) Institute. The card is in fine condition, with minor age toning, and the date/place “Greenwich, Dec. 6, 1914” in another hand on the lower left.