Leslie Groves
Person
General in charge of the Manhattan Project. He appointed Oppenheimer as the science director of Los Alamos, despite reservations about Oppenheimer's background.
Mentioned in 2 videos
Videos Mentioning Leslie Groves

The Man Who Gave us the Power To Destroy Ourselves (Oppenheimer)
Veritasium
General in charge of the Manhattan Project. He appointed Oppenheimer as the science director of Los Alamos, despite reservations about Oppenheimer's background.

The Doomsday Machine: A Conversation with Carl Robichaud (Episode #330)
Sam Harris
Oversaw the Manhattan Project's enormous engineering feat, primarily focused on producing fissile material in Oak Ridge, Tennessee, and Hanford, Washington.