Although Zaccharias Janssen is given credit for the invention of the microscope in 1590, the Romans were experimenting with the basis of it far back as 100AD. over the years various people made improvements to it including Galileo and Anthony Leeuwenhoek(1632-1723) the father of Microscopy. One other person who was known for making improvements to the invention was Robert Hooke. This person is sometimes referred to as “The English Father of Microscopy”. He spent much time improving its design and capabilities.