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It is believed that Zacharias Jansen's father, Hans, helped him build the first microscope in 1595. Zacharias wrote to a Dutch diplomat, William Boreel, about the invention. When the physician of the French king inquired about the invention in the 1650's, Boreel recounted the design of the microscope.
Compound microscope was invented in 17th century. As to who invented the compound microscope is a question of controversy. There are three persons who claim to have invented it; Hans Lippershey, Zacharias and Hans...