Edgar von Wahl or Edgar de Wahl (born August 11, 1867 in Olwiopol, Imperial Russia (now Pervomaysk, Ukraine); died in 1948 in Estonia) was a teacher and creator of Occidental. An Estonian of ethnic Baltic German origin, he studied in Saint Petersburg and spent most of his later professional life in Tallinn, Estonia. Wikipedia
The definitive Wikipedia entry for Edgar de Wahl. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Edgar_de_Wahl