Werner Gunter Jaffé Fellner (October 27, 1914 – May 3, 2009) was a chemist and university professor.
During the fifty years that he taught at the college level, he published over 200 academic publications and was named honorary professor at the Simón Bolívar University.
He received his doctoral degree at the University of Zurich under the supervision of the Nobel Prize winner Paul Karrer.
He started the teaching of Biochemistry at the Central University and founded the Instituto Nacional de Nutrición.
in 1946 he received a grant from the Rockefeller Foundation and, among several science prizes, he was awarded the Premio Nacional de Ciencia, CONICIT in 1978.