Complex sentence: He was elected an associate of the National Academy of Design in 1873 and academician in 1875, and was president of the New York Art Club in 1879 and of the American Committee at the Munich International Exposition in 1883.
Split into simpler sentences: He was elected an associate of the National Academy of Design in 1873 and academician in 1875. He served as president of the New York Art Club in 1879 and of the American Committee at the Munich International Exposition in 1883.