Anthony van Leeuwenhoek, a Dutch naturalist of the 18th century, the founder of scientific microscopy, makes a lens in his workshop. He is visited by an English scientist, a member of the Royal Society of London. Leeuwenhoek shows the scientist his "microscope". A scientist examines a flea, mold on bread, and other objects through a "microscope." He recommends that Leeuwenhoek write about his invention to the Royal Society of London.... see more