Complex sentence: Antonin Raymond (or), born as Antonín Reimann (10 May 1888, Kladno, Bohemia--21 November 1976 Langhorne, Pennsylvania), was a Czech American architect, who lived and studied in Bohemia, working later in the USA and Japan.
Split into simpler sentences: Antonin Raymond (or), born as Antonín Reimann (10 May 1888, Kladno, Bohemia--21 November 1976 Langhorne, Pennsylvania), was a Czech American architect. Raymond was born and studied in the Bohemia (now the Czech Republic), working later in the USA and Japan.