He also wrote the finest single work of sacred music in history, the Mass in b minor, which has been argued by many musicologsts and composers to be the single greatest work of music of all time, in any genre, in any style. Whereas, most composers did not typically relish complexity, Bach was at home in it.
It is difficult to say who invented the compound microscope. Dutch spectacle-makers Hans Janssen and his son Zacharias Janssen are often said to have invented the first compound microscope in 1590, but this was a declaration made by Zacharias Janssen himself during the mid 1600s. The date is unlikely, as it has been shown that Zacharias Janssen actually was born around 1590.
Electron Microscope. Continued from page 1. History of Early Light Microscopes. The introduction of the electron microscope in the 1930's filled the bill. Co-invented by Germans, Max Knoll and Ernst Ruska in 1931, Ernst Ruska was awarded half of the Nobel Prize for Physics in 1986 for his invention.