Ø He worked on the Manhattan Project to build the first atomic bomb during World War II.

                 Ø Received the Nobel Laureate in Physics in 1965 along with Sin-Itiro Tomonaga and Julian Schwinger for his work in QED.

                 Ø His Lectures on Physics proved to be important and is said to be the backbone on many other physics books.

                 Ø He figured out the cause of the Challenger accident.