Otto Richard Gottlieb (August 31, 1920 – June 19, 2011) was a Czechoslovak-born naturalized Brazilian chemist and scientist of Jewish origin.[3] He was nominated for the Nobel Prize in Chemistry in 1999 for studies on the chemical structure of plants, which allow us to analyze the state of preservation of several ecosystems.[1] His work revealed the biodiversity of Brazilian flora and promoted phytochemical development in the country. In 1977 Otto Gottlieb was the first chemical professional to receive the Fritz Feigl Award, created by Regional Council of Chemistry - Region IV in the same year.[2][4][5] In 1986, he was awarded with the Anísio Teixeira Award.[6]