anton van leeuwenhoek

noun

1. An·ton van [ahn-tawn vahn] /ˈɑn tɔn vɑn/, 1632–1723, Dutch naturalist and microscopist.

noun

1. Anton van (ˈɑntɔn vɑn). 1632–1723, Dutch microscopist, whose microscopes enabled him to give the first accurate description of blood corpuscles, spermatozoa, and microbes

1. Dutch naturalist and microscopy pioneer. His careful observations resulted in accurate descriptions of bacteria, spermatozoa, and red blood cells.

1. Dutch naturalist and pioneer of microscopic research. He was the first to describe protozoa, bacteria, and spermatozoa. He also made observations of yeasts, red blood cells, and blood capillaries, and traced the life histories of various animals, including the flea, ant, and weevil.