Who is Robert oppenheimer

Oppenheimer was the wartime head of the Los Alamos Laboratory and is among those who are credited with being the "father of the atomic bomb" for their role in the Manhattan Project, the World War II undertaking that developed the first nuclear weapons used in the atomic bombings of Hiroshima and Nagasaki.

One of the physicist who worked on the Manhattan Project (WW2). Worked with other famous people like Albert Einstein to build one of the first Atomic Bombs.