Sidney Rosenthal
From Wikipedia, the free encyclopedia
Sidney Rosenthal (1907–1979), from Richmond Hill, New York, is credited with inventing what is now known as a Magic Marker in 1953.[1][2]
From Wikipedia, the free encyclopedia
Sidney Rosenthal (1907–1979), from Richmond Hill, New York, is credited with inventing what is now known as a Magic Marker in 1953.[1][2]
