Sergius of Radonezh
Abraham Galitzki or Abramius of Galich () or Chukhlomsky and Gorodetsky (died 20 July 1375) was an abbot of the Russian Orthodox Church. He was a disciple of Sergius of Radonezh, and later went on to found four monasteries on Chukhloma Lake, in the Galich district of Kostroma Oblast.