Complex sentence: He was appointed editor in chief of "The Architect" between 1925 and 1932, then joined the Board of Patrons of the journal L'Architecture d'aujourd'hui in 1930, and again became editor of the French magazine Architecture between 1943 and 1950.
Split into simpler sentences: He was appointed editor in chief of "The Architect" between 1925 and 1932, then joined the Board of Patrons of the journal "L'Architecture d'aujourd'hui" in 1930. He again became editor of the French magazine "Architecture" between 1943 and 1950.