Short answers, pulled from the story.
J. Robert Oppenheimer was born on the 22nd of April 1904 in New York City to Ella Friedman and Julius Seligmann Oppenheimer. The family lived at an apartment on Riverside Drive near West 88th Street.
J. Robert Oppenheimer obtained his Doctor of Philosophy degree in March 1927 at age 23 supervised by Max Born. His most cited work remains the Born, Oppenheimer approximation which separates nuclear motion from electronic motion in molecular calculations.
Brigadier General Leslie R. Groves Jr. appointed J. Robert Oppenheimer director of the secret weapons laboratory on the 20th of July 1943 despite concerns about his past political views. The Los Alamos Laboratory grew from a few hundred people in 1943 to over 6,000 in 1945.
The world's first nuclear weapon detonated during the early morning hours of the 16th of July 1945 near Alamogordo New Mexico at a site J. Robert Oppenheimer had code-named Trinity. He later quoted Now I am become Death the shatterer of worlds during a memorial service for President Franklin Roosevelt.
A board revoked J. Robert Oppenheimer's clearance by a 2, 1 vote finding 20 of 24 charges true or substantially true while unanimously clearing him of actual disloyalty. Strauss wrote the majority opinion stressing J. Robert Oppenheimer's falsehoods evasions misrepresentations and past associations with Communists.
John Earl Haynes Harvey Klehr and Alexander Vassiliev confirmed from KGB archives that J. Robert Oppenheimer never engaged in espionage for the Soviet Union though intelligence services repeatedly tried to recruit him. The FBI under J. Edgar Hoover followed J. Robert Oppenheimer since before the war when he showed Communist sympathies as a Berkeley professor.