Antonie van Leeuwenhoek — Dutch Scientist

Antonie Philips van Leeuwenhoek (/ˈleɪvənhʊk/, Dutch: ( listen); October 24, 1632 – August 26, 1723) was a Dutch tradesman and scientist. He is commonly known as "the Father of Microbiology", and considered to be the first microbiologist. He is best known for his work on the improvement of the microscope and for his contributions towards the establishment of microbiology... (wikipedia)

A man has always to be busy with his thoughts if anything is to be accomplished.
Whenever I found out anything remarkable, I have thought it my duty to put down my discovery on paper, so that all ingenious people might be informed thereof.