Truman was surprisingly unaware of the Manhattan Project. He didn’t know about its existence until he assumed the office of president following President Roosevelt’s death in 1945. This ...

Wendy Wintersteen is president of Iowa State University ... The Inspiring Story of the Iowa Chemist Who Saved the Manhattan Project” to the submarine commander of the nuclear-powered USS ...

Having been vice president for only 82 days, Harry S Truman became the 33rd US president on Franklin Delano Roosevelt’s death ...

The invention of the nuclear bomb changed everything. It ushered in the Atomic Age, advanced the science of physics to new heights, and showcased the destructive power held by the United States ...

During World War II Cuneo served as President Franklin D. Roosevelt’s secret liaison with a covert British spy nest—known only to FDR and a few members of his innermost circle—hiding in the ...

Secret Recordings Show President Roosevelt Debating Military Desegregation with Civil Rights Leaders Huddie Ledbetter’s World War II draft card is shown here.