Hans Lippershey that time he became a master lens grinder and spectacle maker and established a shop. He remained in Middelburg until his death, in September 1619. Hans Lippershey is known for the earliest written record of a refracting telescope, a patent he filed in 1608. His work with optical devices grew out of his work as a spectacle maker, an industry that had started in Venice and Florence in the thirteenth century, and later expanded to the Netherlands and Germany. Lippershey applied to the States General of the Netherlands on 2 October 1608 for a patent for his instrument ""for seeing
Giacomo Badoer Giacomo Badoer Giacomo Badoer (c.1575 – c.1620) was a French-born diplomat, of Venetian parentage, and pupil of Galileo Galilei. Badoer studied mathematics with Galileo in Padua in 1598/9. He later supported Galileo in 1607, in a priority dispute with Baldassarre Capra over the invention of a military compass. Badoer was one of the correspondents of Paolo Sarpi in Venice, who towards the end of 1608 was making enquiries about the invention in the Netherlands of the telescope. Badoer wrote back in Spring 1609 from Paris to Sarpi with news of the commercial telescopes then being sold; it is said that