Francis Barel said this quote

In 1945, Oppenheimer posited that what happened during the Trinity Test was due to ‘Time Tunnels.’ A 50-year ‘time tunnel.”“So, in 1945, you could send a soldier 50 years back?”“Exactly. Well, except for the fact that at the time we didn’t know if we ever could deliberately send something or someone, but we were already sure it was a one-way trip.