Question: Were Ton Roosendaal and Alexander Sachs of the same nationality?
Sentence (from "Alexander Sachs"): In October 1939 he delivered the Einstein – Szilárd letter to President Franklin D. Roosevelt, suggesting that nuclear- fission research ought to be pursued with a view to possibly constructing nuclear weapons, should they prove feasible, in view of the likelihood that Nazi Germany would do so.
Relevant evidence: No