. . "Ingenhousz, Jan"@en . . . "Jan Ingenhousz or Ingen-Housz FRS (December 8, 1730 \u2013 September 7, 1799) was a Dutch physiologist, biologist and chemist. He is best known for showing that light is essential to photosynthesis and thus having discovered photosynthesis. He also discovered that plants, like animals, have cellular respiration."@en . . . "Jan Ingenhousz"@en . . "1730Z"^^ . "Dutch physiologist" . "1799-09-07Z"^^ . . . "1799Z"^^ . . "1730-12-08Z"^^ . .