Constantino Tsallis
Constantino Tsallis (; Greek: Κωνσταντίνος Τσάλλης [ˈtsalis]; born 4 November 1943) is a naturalized Brazilian physicist of Greek descent, working in Rio de Janeiro at Centro Brasileiro de Pesquisas Físicas (CBPF), Brazil. == Biography == Tsallis was born in Greece, and grew up in Argentina, where he studied physics at Instituto Balseiro, in Bariloche.