[jamaksin]

Just as many Americans never heard of Ted Hall; many Americans are still not aware that in 1943, under the Lend-Lease program, tons of nuclear materials were shipped to the USSR.

[quietolong]

under the Lend-Lease program, tons of nuclear materials were shipped to the USSR

The book Dark Sun goes very much into this It's a good read !

[jude24]

many Americans are still not aware that in 1943, under the Lend-Lease program, tons of nuclear materials were shipped to the USSR.

Source? One the one hand I could easily believe that, but a claim like that needs a bit more documentation.