Anton van Leeuwenhoek: “He Discovered an Invisible World”
While double-lens microscopes appeared early in the 17th century, these microscopes could only magnify objects up to 20 to 30 times its size. As a result, the microscopic world as we know it today was largely unknown then. It was not until Anton van Leeuwenhoek created a single-lens hand-ground lens microscope that could amplify objects…