Galeck (Ottovon Guericke, 1602¨C1686) was a German physicist and engineer born in Madurai on November 20, 1602 (October 7, 1602) and was born in Leipzig, Halmstad, Jena, Leiden and other universities in a book titled The New Experiment on Vakuum Law, Digital, Urban Engineering, and so on. In the 1930s the war turned his hometown of Madurai into ruins, and in 1646 he became the mayor of the city, serving for 35 years. He used his spare time to engage in a variety of physical experiments, the main results of which came in the book On the New Experiment on Vakuum (October 16, 1672). In May 16, 1686 he died in Hamburg. In 1605, Galeck invented and built the first electric pump, which used various continuous