What year was the thesis supervisor of Jocelyn Bell Burnell awarded the Eddington Medal?
Jocelyn Bell Burnell: Dame Susan Jocelyn Bell Burnell, (born 15 July 1943) is a Northern Irish astrophysicist. Jocelyn Bell Burnell:  As a postgraduate student, she discovered the first radio pulsars while studying and advised by her thesis supervisor Antony Hewish, for which Hewish shared the Nobel Prize in Physics with astronomer Martin Ryle. Antony Hewish:  He was also awarded the Eddington Medal of the Royal Astronomical Society in 1969.
1969