Complex sentence: Spivak's office and home were at the Sheraton-Park Hotel in Washington, D.C. He died of congestive heart failure at Washington's Sibley Memorial Hospital on March 9,1994, at the age of 93.
Split into simpler sentences: Spivak's office was at the Sheraton-Park Hotel in Washington, D.C., which was also his home. Spivak died of congestive heart failure at Washington's Sibley Memorial Hospital on March 9,1994, at the age of 93.