Question: The Decker Building included a factory by which American artist on the 6th floor from 1968-73?
Sentence (from "Decker Building"): Built in 1892 for the Decker Brothers piano company according to designs by the radical anarchist architect John H. Edelmann, working out of the offices of Alfred Zucker, it replaced the earlier Decker Building on the same lot, designed by Leopold Eidlitz and built in 1869.
Relevant evidence: No