South african botanist.
John Jacob Lavranos (29 March 1926, in Corfu – 1 February 2018, in Portugal) was a Greek/South African insurance broker and botanist, with a special interest in succulents. The standard author abbreviation Lavranos is used to indicate this person as the author when citing a botanical name. He scientifically described almost 300 new species of plants, and a number have been named in his honor.