Adrian Nicholas was a British skydiver who completed more than 8,000 jumps in 30 countries.
He is best known for his successful test in July 2000 of Leonardo da Vinci’s (1452–1519) parachute design, proving it to be in retrospect the world’s first working parachute. A modified pyramidal design was later also successfully tested by his Swiss colleague Olivier Vietti-Teppa.
On 12 March 1999, Nicholas stepped out of an airplane at 35,850 ft. He flew for 4 minutes, 55 seconds and covered a distance of 10 miles, establishing new world records for the longest sky dive and the furthest human flight. During the attempt the exhaust valve of his oxygen mask froze preventing him from breathing properly for about four minutes.