Complex sentence: Nathanael Greene Herreshoff (March 18,1848--June 2,1938), was an American naval architect and mechanical engineer, was a yacht design innovator, and produced a succession of undefeated America's Cup defenders between 1893-1920.
Split into simpler sentences: Nathanael Greene Herreshoff (March 18,1848--June 2,1938) was an American naval architect, mechanical engineer, and yacht design innovator. He produced a succession of undefeated America's Cup defenders between 1893-1920.