Retirees dance as singer/songwriter Lou Del Bianco belts out Frank Sinatra’s iconic “New York, New York” song during a Day at the University plenary session.

Retired teacher Norma Prado looks through old Delaney books in the Educational Memorabilia workshop. Teachers used Delaney cards and books to keep student seating and attendance records.

Martha Murray, a newly retired teacher and former chapter leader at PS/MS 109 in Brooklyn, smiles during one of the workshops.

Retired teachers Deme Savopolis (left) and Helen Karter pose for a photo during lunch. 

Author Barry Joseph kicks off his keynote on “The Path to Seltzertopia,” about the story of seltzer in the United States. Attendees enjoyed an egg cream, a classic New York drink of seltzer, milk and chocolate or vanilla syrup.

Retired teacher Martin Raskin, a collector of New York City public schools memorabilia, shows off a piece in his collection of more than 1,000 items during his workshop.

Debbie Wells of Artful Circle leads a workshop on how Pablo Picasso’s complicated relationships with the women in his life, including wives, girlfriends, muses, daughters and patrons, influenced his work.

RTC Chair Tom Murphy greets members at the event.

Retired secretary Diane Timper (left) and retired teacher Lynn Muzsik sing along as Del Bianco croons a Sinatra tune.