Working with Fred (1942–49)

How working together in the radar research establishment of the Royal Navy led to Fred, Tommy Gold and I spending many evenings together discussing astronomical problems brought up by Fred. The accretion question was the subject of my first serious paper and led to my Trinity Fellowship. Continuation of the joint discussions after our return to Cambridge. The solar corona. Fred's generosity. This revised version was published online in August 2006 with corrections to the Cover Date.