
Thomas Wedgwood
Thomas Wedgwood, a son of Josiah Wedgwood of pottery fame, was an English inventor. He is the first person known to have created impermanent pictures by capturing camera images on material coated with a light-sensitive chemical. His practical experiments yielded only shadow image photograms that...

Alexander Wolcott
Alexander Wolcott was an American experimental photographer, inventor, and maker of medical supplies and optical instruments. In 1839, he met John Johnson, a jeweller and watchmaker's assistant. 1939 was also the year that Louis Daguerre of France, in efforts to finance his developments, went...