Yes - the Frisch Peierls memo was key... https://en.wikipedia.org/wiki/Frisch%E2%80%93Peierls_memorandum https://en.wikipedia.org/wiki/Frisch%E2%80%93Peierls_m

Yes - the Frisch Peierls memo was key... https://en.wikipedia.org/wiki/Frisch%E2%80%93Peierls_memorandum https://en.wikipedia.org/wiki/Frisch%E2%80%93Peierls_memoran...