Biography of hans and zacharias janssen invention of telescope

Zacharias Janssen was a Dutch inventor who is credited with inventing the first microscope. For some, he was also the creator of the telescope; however, this has not yet been verified. Before World War II there was more information about the life and work of Zacharias Janssen; However, during the invasion of the Nazis many of the biographical texts that were in the city of Middelburg were destroyed by the air attack that occurred on May 17, In other words, little is known today about the life of this inventor; What can be assured is that Zacharias maintained conflictive relations with the authorities due to his businesses of dubious origin and for repeatedly falsifying the currency.

In fact, some believe that his invention of the microscope was intended to create a device that would allow him to copy coins as accurately as possible. Even during his multiple arrests, large quantities of tools that Zacharias manufactured for this purpose were found. Although Janssen had a conflicting history, the importance of his achievement is undeniable since thanks to the appearance of the microscope, scientists had the possibility of knowing and discovering all the microorganic life that exists in the different natural residues, which can be positive or harmful to the welfare of the human being.

Zacharias Janssen was born in in the city of The Hague, located in the Netherlands and died in in the city of Amsterdam; However, this date is tentative since there are testimonies from his sister that indicate that Zacharias actually died in According to investigators, Janssen's parents were Maeyken Meertens and Hans Martens, who was possibly a street vendor.

Hans and zacharias janssen contribution to cell theory

His mother is only known to have been a native of the city of Antwerp, located in Belgium and formerly known as Antuerpia. Like his father, Zacharias Janssen was dedicated to informal sales, which led to several legal problems with the authorities. Despite this, it cannot be denied that Janssen's inventions completely changed the history of microbiology and medicine.

On October 23, , he married Catharina de Haene.

Hans and zacharias janssen birth and death

This is known thanks to the fact that in Cornelis de Waard found the marriage certificate of this inventor. Later, in , the Janssen family had to move to the city of Arnemuiden, located on the island of Walcheren, due to Janssen's legal problems. A year later Zacharias was again accused of counterfeiting coins, for which he had to flee for the third time, this time for Middleburg, where he arrived in After the death of his first wife in Janssen remarried, this time to Anna Couget of Antwerp, who was the widow of a relative of Zacharias.