It was this money, the Seagraves alleged, that the CIA used to buy politicians in Japan, Greece, Italy, the UK and many other countries around the world.
It also paid for the secret rearmament of Japan after the outbreak of the Korean War.
He left a hand-written will that named Tarciana Rodriguez and Luz Rambano, his common-law wife, as his heirs.
In the Cold War period of the 1950s and early 1960s, an era in which married life was often idealized as essential for personal happiness and success, non-conformance became a social problem in need of study and explanation.
Experts in social science fields of psychology and sociology, and commentators in the popular press conducted research and published findings that sought to account for the relatively large numbers of men and women who remained unmarried despite societal pressures to wed.