[1][2] He gained recognition as Mr. Leica, an expert on camera equipment, after working for nearly 7 years for the manufacturer of E.Leitz GmbH in Wetzlar in their public relations and product design departments, as well as serving as a European correspondent, before returning to write for Popular Photography.
Two of Schwalberg's photographs were included by curator Edward Steichen in the world-touring The Family of Man exhibition, seen by 9 million viewers.
[3] In one, two women spectators at a sports event, photographed at close range, scream ecstatically while the surrounding men remain unmoved.
The second, taken from above with a slow shutter speed, captures a policeman at a slow shutter speed as he walked, showing only his dark uniform against a slightly blurred pavement, creating an abstract representation of law enforcement.
Schwalberg died a few days before his 69th birthday and was remembered at a memorial on March 4, 1997, at the Metropolitan Center, 123 West 18th Street, New York City.