Paul B. MacCready Jr. was an American aeronautical engineer. He was the founder of AeroVironment and the designer of the human-powered aircraft that won the first Kremer prize. He devoted his life to developing more efficient transportation vehicles that could "do more with less".
MacCready shows a cross section of the Helios Prototype wing spar.
The Gossamer Penguin in flight
AeroVironment, Inc. is an American defense contractor headquartered in Arlington, Virginia, that designs and manufactures unmanned aerial vehicles (UAVs). Paul B. MacCready Jr., a designer of human-powered aircraft, founded the company in 1971. The company is best known for its lightweight human-powered and solar-powered vehicles. The company is the US military's top supplier of small drones —notably the Raven, Switchblade, Wasp and Puma models.
AeroVironment founder and former Chairman Paul MacCready shows a cross section of the AeroVironment/NASA Helios Prototype wing spar.
Gossamer Condor at NASM
Pathfinder Plus (left) and Helios Prototype (right) on the Dryden ramp
Pathfinder Plus in flight over Hawaii, June 2002, equipped with Skytower communications equipment