Complex sentence: He moved to the Baltimore suburb of Towson, Maryland in 1954, where he lived until 1973, when he moved to Baltimore's Fells Point neighborhood, where he first connected with John Waters' Dreamland studios group.
Split into simpler sentences: He moved to the Baltimore suburb of Towson, Maryland in 1954. In 1973, he moved to Baltimore's Fells Point neighborhood, where he first connected with John Waters' Dreamland studios group.