Complex sentence: The Townhouse at 44 East 68th Street between Park Avenue and Madison Avenue was the home of Colonel Michael Friedsam, former president of B. Altman and Company, who was an avid art collector and benefactor of education.
Split into simpler sentences: The Townhouse at 44 East 68th Street between Park Avenue and Madison Avenue was the home of Colonel Michael Friedsam, former president of B. Altman and Company. Friedsam was an avid art collector and benefactor of education.