Zacharias Janssen was born in Holland around 1580; no records exist citing the exact date. A few history specialists contend Hans Janssen helped assemble the magnifying lens, as Zacharias was a youngster during the 1590s. Cell Theory. After birth the family moved to Middelburg, Netherlands, and young Zacharias Janssen grow up on the street, constantly breaking the law and being chased by the authorities. He worked with his father, Hans, an eyeglass maker. Hans and Zacharias created the first microscopes through experimenting with different lenses placed at the ends of tubes. Hans and Zacharias Janssen were a Dutch father and son accredited with the creation of the first microscope. Zacharias Janssen’s father, Hans, was one of many entrepreneurs using this technology to make eyeglasses. The utility of microscopes in the biological sciences and for diagnostic purposes was initially realized in the … Zacharias Janssen 1590 Janssen’s invention of the microscope , with the aid of his father Hans, allowed English scientist Robert Hooke to use a primitive microscope to view the cell walls of a piece of cork in 1663. In the early 17th century, Italian philosopher, astronomer, and mathematician Galileo constructed a microscope and a telescope. Sometime around 1595, probably while working as a teenaged apprentice in his father’s lens making operation, Zacharias discovered that two lenses used together create greater magnification than a single lens. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Some historians argue that Lipperhey stole the idea from Hans and Zacharias Janssen , other spectacle … Accordingly, what did Hans and Zacharias Janssen invent? The discipline of microbiology would not exist, or would be a much smaller branch of science, without the microscope. robert hooke 1665 1) Hans and Zacharias Janssen were known for inventing the compound optical microscope. This contributed to the cell theory by making it easier and more practical to observe cells. Both lived in the Netherlands and were working with each other as spectacle makers. In his letter, Boreel said Zacharias Janssen began keeping in touch with him about a magnifying instrument in the mid 1590s, in spite of the fact that Boreel just observed a magnifying lens himself years after the fact. Other articles where Hans Jansen is discussed: diagnosis: Historical aspects: …century by the Dutch optician Hans Jansen and his son Zacharias. Zacharias Janssen was born in The Hague. His parents were Hans Martens and Maeyken Martens, both probably from Antwerp importa, Belgium. Start studying 1.1. After an illness of several months Zacharias died in July, A.D. 12, when John was just past eighteen years of age. Local records indicate he was born in 1585 although a date of birth as early as 1580 or as late a 1588 are also given. Rumor has it Lipperhey’s son actually discovered the correct lens combination – he put together two lenses and “spied” a local church steeple . This was a time of great embarrassment to John since the Nazarite vow forbade contact with the dead, even in one's own family. Zacharias Janssen was born in Hague, as a son of Hans Martens and Maeyken Meertens who were most probably from Antwerp, Belgium. Was born in Holland around 1580 ; no records exist citing the exact date his father,,. Study tools learn vocabulary, terms, and more practical to observe cells and Maeyken Martens, both from. Records exist citing the exact date spectacle makers parents were Hans Martens and Maeyken,. 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