Richard N. Williamson (b. 1940) converted to Catholicism in 1971, was ordained a priest of the Catholic Church by Archbishop Marcel Lefebvre in 1976 for the latter’s Priestly Fraternity of St. Pius X (FSSPX), and was consecrated a bishop by the Archbishop for the same fraternity in 1988. From 1976 to 2012 he served the FSSPX in various capacities, most notably as rector of St. Thomas Aquinas Seminary in Ridgefield, Conn. (1983–1988) and later in Winona, Minn. (1988–2003).