https://www.reddit.com/r/typewriters/comments/1r98cmz/royal_qdl_used_by_jackie_robinson/
At the Jackie Robinson Museum. According to the exhibit, it was used by him to write a column for the New York Post and later the New York Amsterdam News.
Jackie Robinson used a first iteration version of Henry Dreyfuss' Royal Quiet De Luxe. The museum dates it as 1949.
