Bjarni Jónsson, Date of Birth, Date of Death

Bjarni Jónsson

Icelandic mathematician

Date of Birth: 15-Feb-1920

Date of Death: 30-Sep-2016

Profession: mathematician, association football player, university teacher, philosopher

Nationality: Iceland

Zodiac Sign: Aquarius

Bjarni Jónsson (February 15, 1920 – September 30, 2016) was an Icelandic mathematician and logician working in universal algebra, lattice theory, model theory and set theory.
He was emeritus distinguished professor of mathematics at Vanderbilt University and the honorary editor in chief of Algebra Universalis.
He received his PhD in 1946 at UC Berkeley under supervision of Alfred Tarski.Jónsson's Lemma as well as several mathematical objects are named after him, among them Jónsson algebras, ?-Jónsson functions, Jónsson cardinals, Jónsson terms, Jónsson–Tarski algebras and Jónsson–Tarski duality. In 2012, he became a fellow of the American Mathematical Society.