Giovanni Faber was a German papal doctor, botanist and art collector, originally from Bamberg in Bavaria, who lived in Rome from 1598. He was curator of the Vatican botanical garden, a member and the secretary of the Accademia dei Lincei. He acted throughout his career as a political broker between Maximilian I, Elector of Bavaria and Rome. He was a friend of fellow Linceian Galileo Galilei, and the German painters in Rome, Johann Rottenhammer and Adam Elsheimer. He has also been credited with inventing the name microscope.
Johann Faber was born the son of Protestant parents in Bamberg in 1574. When he was one year old he was orphaned by an epidemic of the plague. He was raised and educated in the Catholic faith by his cousin Philip Schmidt. He studied medicine at the University of Wrzburg and graduated in 1597. In order to deepen his studies he moved to Rome in 1598, where he worked as a doctor in the hospital of Santo Spirito in Sassia. His practical studies of anatomy proceeded from direct observation of the human body. He later turned exclusively to the study of animal anatomy. In 1600 he was appointed to the chair of Botany and of Anatomy. In the same year he became the director of the Papal botanical garden, now the Orto Botanico dellUniversit di Roma La Sapienza. Thanks to these new engagements he attended the papal court more regularly. He also cultivated deep artistic interests, becoming an avid collector of paintings. In 1611 Fabers interest in natural investigation led him to become a member of
Source: Wikipedia