Nancy Simmons, a longtime associate general manager on Broadway, died Dec. 3 in New York. She had recently been diagnosed with multiple myeloma, but her death was attributed to a heart attack. Her age was undisclosed.Born in Nashville, Tennessee, Simmons came to New York after her graduation from Vanderbilt University to follow a career in dance. Instead, she took a position with the theatrical management office of Harris-Bernstein, and remained there until her death 45 years later. As an associate general manager, she was associated with the original Broadway productions of “Pippin,” “Dancing at Lughansa,” “Sweet Charity,” “Mame,” “My One and Only,” “Noises Off, “M. Butterfly” and “Chicago,” among others. Simmons is survived by a sister and a brother.