500 and 504 Park Avenue

Dennis Tully’s (and my) favorite photo of 500 and 504 Park Avenue in approximately 1870.
500 and 504 Park Avenue in 2012
500 and 504 Park Avenue in 2023
Three young friends, with Anna Morgan in the center, pose for a photograph against a wall with fancy wallpaper and 30 plus photos pinned on the wall.
Anna Morgan, center, lived in 504 Park Avenue with her mother in the early 1900-1906 years. Anna went on to teach music in her own studio in Chicago.