Józef Oleszkiewicz
Józef Oleszkiewicz (Lithuanian: Juozapas Oleškevičius, Russian: Юзеф Иванович Олешкевич; c.1777 – 5 October 1830) was a Polish painter, active in Vilnius and then in Saint Petersburg during Tsar Alexander I's reign, known primarily for his portraits and his eccentric behavior.