Harry H. Gardiner (1871 – perhaps 1933),[1] better known as the Human Fly, was an American man famous for climbing buildings.

"One hundred and twenty of those who have sought to imitate me in this hazardous profession have fallen to death," Gardiner is quoted as saying in a 1905 article published in Muscle Builder.

If you do not guess the right answer, death awaits below, with a breath of up-rushing air, and arms of concrete.

"[2] Former President Grover Cleveland reportedly nicknamed him "The Human Fly.

"[4] Gardiner reportedly moved to Europe after New York enacted legislation forbidding anyone from climbing on the outside of buildings.