Anton van 首先发现活细胞 Leeuwenhoek In 1674,Dutchman Leeuwenhoek:"the Father of Microbiology",and considered to be the first microbiologist,best known for his work on the improvement of the microscope. Lens Specimen holder Focus screw -Handle Antonie van Leeuwenhoek -Wikipedia,the free encyclopedia 12 This document is produced by trial version of Print2Flash.Visit www.print2flash.com for more information