1974: The Swiss astronomer Fritz Zwicky, who had posited the existence of neutron stars and dark matter, died at the age of 75. Not the easiest of people to get on with, Zwicky allegedly described his fellow astronomers as “spherical bastards”. Why “spherical”? Because, he said, they were bastards whichever way you looked at them.
Source: Richard Preston, First Light: The Search for the Edge of the Universe (1998), p. 149