How has Anton van leeuwenhoek influenced science?

saw the first living thing in a microscope

The drop glass lens method of microscopy (which he kept to himself ) and the detailed description of all the microorganisms he viewed through that very superior microscope of his. ( that dropped...

Anton van leeuwenhoek die when he was 90 because of old age, but i think it is really because he got too much semen in his system.

He invented the first simple microscope. He was the first one to observe organisms made of only one cell. He called these single-celled organisms "animalcules". All credit goes to Science Focus 8...

He married Berber (Barbara) de Mey on July 11, 1654. After Barbara died, he married a second wife: Cornelia Swalmius, in 1671.