Lumír Ondřej Hanuš is an analytical chemist recognized for contributions to cannabis research and the endocannabinoid system. In 1992, he isolated from a brain the first endocannabinoid, anandamide. This discovery led to the worldwide medicinal use of cannabis. He graduated in analytical chemistry in 1972, received his doctorate in 1974 and associate professor in organic chemistry (1994) from the Palacký University in Olomouc, Czechoslovakia. Here, from 1971 to 1990, he conducted cannabis research, taught at the medical faculty, and participated in cannabis treatment at the hospital. Dr.Sc. has in pharmaceutical chemistry from Charles University (Prague). He did postgraduate studies of Modern instrumental chemistry (Purkyně University, Brno), as a research associate at the University of Mississippi did cannabis and coca research (1978-1979). Between years 1997 and 1998 was visiting associate at NIDDK (NIH, Bethesda) and in 2001–2002 as research fellow at NIAAA (NIH, Bethesda).  From 1990 to 2020 he was a researcher and professor at the Hebrew University of Jerusalem. He was chief scientist of the Asana Bio Group (2018-2022). Received numerous awards, including honorary doctorates (Doctor Chemiae, Medicinae Doctor).