Atomic Letters: Einstein, Roosevelt, Sachs

By Callie Oettinger
Albert Einstein to President Franklin D. Roosevelt, 08/02/1939.  Credit: National Archives.

Albert Einstein to President Franklin D. Roosevelt, 08/02/1939.
Credit: National Archives.

Neutron Production and Absorption in Uranium, H.L. Anderson, E. Fermi, Leo Szilard, 8/1/39.  Credit: Franklin D. Roosevelt Presidential Library and Museum.

Neutron Production and Absorption in Uranium, H.L. Anderson, E. Fermi, Leo Szilard, 8/1/39.
Credit: Franklin D. Roosevelt Presidential Library and Museum.

 

nstantaneous emission of fast neutrons—Leo Szilard and Walter H. Zinn, 4/14/39, The Physical Review.  Credit: Franklin D. Roosevelt Presidential Library and Museum.

nstantaneous emission of fast neutrons—Leo Szilard and Walter H. Zinn, 4/14/39, The Physical Review.
Credit: Franklin D. Roosevelt Presidential Library and Museum.

Leo Szilard Memo to President Franklin D. Roosevelt, undated. Credit: Franklin D. Roosevelt Presidential Library and Museum.

Leo Szilard Memo to President Franklin D. Roosevelt, undated.
Credit: Franklin D. Roosevelt Presidential Library and Museum.

 

Leo Szilard Memo to President Franklin D. Roosevelt, undated. Credit: Franklin D. Roosevelt Presidential Library and Museum.

Howard Walls to Elizabeth Drewry, Director FDRL, 9/29/65.
Credit: Franklin D. Roosevelt Presidential Library and Museum.

 

Alexander Sachs to President Franklin D. Roosevelt, 10/11/1939.  Credit: Franklin D. Roosevelt Presidential Library and Museum.

Alexander Sachs to President Franklin D. Roosevelt, 10/11/1939.
Credit: Franklin D. Roosevelt Presidential Library and Museum.

 

President Franklin D. Roosevelt to Watson, 10/13/39.  Credit: Franklin D. Roosevelt Presidential Library and Museum.

President Franklin D. Roosevelt to Watson, 10/13/39.
Credit: Franklin D. Roosevelt Presidential Library and Museum.

Edwin Watson to Albert Einstein, 10/17/39.  Credit: Franklin D. Roosevelt Presidential Library and Museum.

Edwin Watson to Albert Einstein, 10/17/39.
Credit: Franklin D. Roosevelt Presidential Library and Museum.

President Franklin D. Roosevelt to Albert Einstein, 10/19/39.  Credit: Franklin D. Roosevelt Presidential Library and Museum.

President Franklin D. Roosevelt to Albert Einstein, 10/19/39.
Credit: Franklin D. Roosevelt Presidential Library and Museum.

 

Letter of Albert Einstein to the Lieutenant Stephen Brunauer, U.S. Navy Bureau of Ordnance, 05/17/1943. Credit: Library of Congress.

Letter of Albert Einstein to the Lieutenant Stephen Brunauer, U.S. Navy Bureau of Ordnance, 05/17/1943.
Credit: Library of Congress.

 

Letter of Albert Einstein to the Lieutenant Stephen Brunauer, U.S. Navy Bureau of Ordnance, 6/18/1943.  Credit: Library of Congress.

Letter of Albert Einstein to the Lieutenant Stephen Brunauer, U.S. Navy Bureau of Ordnance, 6/18/1943.
Credit: Library of Congress.

 

Letter of Albert Einstein to the Lieutenant Stephen Brunauer, U.S. Navy Bureau of Ordnance, 6/29/1943.  Credit: Library of Congress.

Letter of Albert Einstein to the Lieutenant Stephen Brunauer, U.S. Navy Bureau of Ordnance, 6/29/1943.
Credit: Library of Congress.

 

Letter of Albert Einstein to the Lieutenant Stephen Brunauer, U.S. Navy Bureau of Ordnance, 7/30/1943.  Credit: Library of Congress.

Letter of Albert Einstein to the Lieutenant Stephen Brunauer, U.S. Navy Bureau of Ordnance, 7/30/1943.
Credit: Library of Congress.

Letter of Albert Einstein to the Lieutenant Stephen Brunauer, U.S. Navy Bureau of Ordnance, 8/13/1943. Credit: Library of Congress.
Letter of Albert Einstein to the Lieutenant Stephen Brunauer, U.S. Navy Bureau of Ordnance, 8/13/1943.
Credit: Library of Congress.
Letter of Albert Einstein to the Lieutenant Stephen Brunauer, U.S. Navy Bureau of Ordnance, 8/22/1943.  Credit: Library of Congress.

Letter of Albert Einstein to the Lieutenant Stephen Brunauer, U.S. Navy Bureau of Ordnance, 8/22/1943.
Credit: Library of Congress.

 

Letter of Albert Einstein to the Lieutenant Stephen Brunauer, U.S. Navy Bureau of Ordnance, 9/1/1943.  Credit: Library of Congress.

Letter of Albert Einstein to the Lieutenant Stephen Brunauer, U.S. Navy Bureau of Ordnance, 9/1/1943.
Credit: Library of Congress.

Albert Einstein to Lieutenant Stephen Brunauer, U.S. Navy Bureau of Ordnance, 1/4/1944.  Credit: Library of Congress.

Albert Einstein to Lieutenant Stephen Brunauer, U.S. Navy Bureau of Ordnance, 1/4/1944.
Credit: Library of Congress.

 

Letter of Albert Einstein to the Lieutenant Stephen Brunauer, U.S. Navy Bureau of Ordnance, 10/15/1944.  Credit: Library of Congress.

Letter of Albert Einstein to the Lieutenant Stephen Brunauer, U.S. Navy Bureau of Ordnance, 10/15/1944.
Credit: Library of Congress.

Albert Einstein to President Franklin D. Roosevelt, 3/25/45. Credit: Harry Truman Presidential Library.

Albert Einstein to President Franklin D. Roosevelt, 3/25/45.
Credit: Harry Truman Presidential Library.

 


CALLIE OETTINGER was Command Posts’ first managing editor. Her interest in military history, policy and fiction took root when she was a kid, traveling and living the life of an Army Brat, and continues today.

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Posted in Military History, Modern History
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