found:Hlasy národa, September 2021:page 15 (... Mons. ThDr. Petr Esterka; auxiliary bishop of Brno emeritus and and titular bishop of Cefala; died 10 August 2021 in California; emigrated to Austria in 1957; studied philosophy and theology at the Lateran University in Rome, 1957-1963; sent to USA as a pastor for Czechs in the Archdiocese of San Antonio in 1963; returned to Rome for further studies in 1966, earning a doctorate; returned to the United States in 1967, where he became a faculty member at St. Catherine's University in St. Paul, Minnesota; also served a a military chaplain in the United States Air Force, 1974-1995; named monsignor in 1987; ordained auxiliary bishop of Brno and titular bishop of Cefala in 1999, with responsibility for Czech Catholics in foreign countries; submitted resignation in 2010, which was accepted by Pope Francis in 2013)