A Park Avenue penthouse that was once home to the composer Leonard Bernstein and his family is returning to the market for the first time in more than four decades. It is the home where Mr. Bernstein and his wife, Felicia, held an event in 1970 in support of the Black Panther Party, famously written about as “Radical Chic” by the journalist Tom Wolfe in New York magazine.
The sprawling duplex, atop 895 Park Avenue, at East 79th Street, is being sold by the family of Carol Feinberg, an art collector and philanthropist who died last year. She and her husband, Maurice Feinberg, a wine and spirits importer who died in 2002, bought the co-op unit from the Bernsteins in 1974.
“I do remember the excitement of my parents when they bought the apartment,” said David Feinberg, the youngest of the Feinbergs’ three children, who was in high school when