Harold Eugene Edgerton, also known as Papa Flash, was an American scientist and researcher, a professor of electrical engineering at the Massachusetts Institute of Technology. He is largely credited w
Edgerton in 1963
A 1936 picture of May Rogers Webster with hummingbirds
Nuclear explosion captured by Edgerton's Rapatronic camera
Shadowgraph of bullet in flight using Edgerton's equipment and stroboscope
Shadowgraph is an optical method that reveals non-uniformities in transparent media like air, water, or glass. It is related to, but simpler than, the schlieren and schlieren photography methods that
Harold Edgerton
…A picture of her with the birds flying around her appeared in National Geographic. Career Nuclear explosion captured by Edgerton's Rapatronic camera Shadowgraph of bullet in flight using Edgerton's equipment and stroboscope In 1937 Edgerton began a lifelong association with photographer Gjon Mili, who used…
prehistoric shadowgraphy sunlight shadowgram of a martini glass "focused" shadowgram of a common firecracker explosion "Edgerton" shadowgram of the firing of an AK-47 assault rifle
Shadowgram of the turbulent plume of hot air rising from a home-barbecue gas grill.
Shadowgram of shock waves from a supersonic bullet fired from a rifle. The shadowgraph optical technique reveals that the bullet is moving at a Mach number of about 1.9. Left- and right-running bow waves and tail waves stream back from the bullet, and its turbulent wake is also visible. To the right of the frame are seen unburned powder particles from the cartridge, themselves traveling slightly subsonic so that each of them produces a curved bow shock wave.