Loeff is a professor at the Hebrew University, Jerusalem.

Schoenman thanks Loeff for his letter and mentions that "... we are gathering signatures for a public appeal by Russell on the question of the nuclear arms race between Israel and the Arab countries."

Although the carbon is not signed, it is assumed that the sender is Schoenman. He writes from 22 Argyll Mansions, Kings Road, London, S.W.3.