Antonie Philips van Leeuwenhoek ( 24 October 1632 â `` 30 August 1723 ; name pronounced ` Laywenhook ' ) was a Dutch tradesman and scientist from Delft , Netherlands . Antonie Philips van Leeuwenhoek ( in Dutch also Anthonie , Antoni , or Theunis , in English , Antony or Anton ; Ë leÉ vÉ nhÊ k , ; October 24 , 1632 â `` August 26 , 1723 ) was a Dutch tradesman and scientist from Delft , Netherlands .