[Answer] What was the nickname of the B-29 bomber that dropped the atomic bomb on Hiroshima, Japan?

Step 1 : Introduction to the question "What was the nickname of the B-29 bomber that dropped the atomic bomb on Hiroshima, Japan?"

...Enola Gay was the nickname of the B-29 bomber that was used by the United States on this day in 1945, to drop the world’s first atomic bomb over the city of Hiroshima, Japan. The Enola Gay was named after Enola Gay Tibbets, the mother of the pilot, Colonel Paul Tibbets. Approximately 80,000 people were killed as a direct result of the blast, and another 35,000 were injured. At least another 60,000 would be dead by the end of the year from the effects of the fallout. Today, the Enola Gay is on permanent display at the Smithsonian’s Steven F. Udvar-Hazy Center in Virginia.

[Ans] what was the code name of the atomic bomb that was dropped on hiroshima on august 6, 1945?

Step 1 : Introduction to the question "what was the code name of the atomic bomb that was dropped on hiroshima on august 6, 1945? "

Bomb was developed by Lieutenant Commander Francis Birch's group of Captain William S. Parsons's Ordnance (O) Division at the Manhattan Project's Los Alamos Laboratory during World War II.