Did Burt Lancaster meet Robert Stroud?

Yes, Burt Lancaster met Robert Stroud, the infamous "Birdman of Alcatraz," while preparing for his role in the 1962 film "Birdman of Alcatraz." Lancaster visited Stroud in prison to gain insights into his life and character. Their meeting provided Lancaster with a deeper understanding of Stroud's complex personality and experiences, which he portrayed in the film.