Alexander Sergeevitch Alexandrov, a condensed matter theorist who was well known for his extensive contributions to the theory of superconductivity, physics of polarons, and other topics, died of a heart attack on 14 August 2012 in Campinas, Brazil.
Alexandrov was born on 30 July 1946. He did his PhD thesis with Vladimir Elesin as his advisor on quantum transport in semiconductors in 1973. Soon after, he became interested in superconductivity, …