Simplify the following text for a Grade 9 native English-speaking person.
Original: Richard Walther DarrÃ ( born Ricardo Walther Oscar DarrÃ , 14 July 1895 - 5 September 1953 ) was an SS-Obergruppenf Ã 1\/4 hrer and one of the leading Nazi `` blood and soil '' ( German : Blut und Boden ) ideologists .
Simplified: Richard Walther DarrÃ ( born as Ricardo Walther Oscar DarrÃ , 14 July 1895 in Belgrano , Buenos Aires - 5 September 1953 in Munich ) was a leader of the German SS .