This pop artist became famous during the '60s.

aug 15, 2012 - although van leeuwenhoek was not the inventor of the microscope, he advanced it more he loved to grind and focus a new lens in order to see the unseen world. most of leeuwenhoek's microscopes were silver. in a simple but significant experiment (1668), he demonstrated that worms found on

continental currency was denominated in dollars from $​1⁄6 to $80, including many odd denominations in between.