Conversation so far:
What happened to Bobby Timmons in 1954?
Bobby Timmons moved to New York in 1954.
What did Bobby Timmons do in New York?
Bobby Timmons played with Kenny Dorham in 1956, making his recording debut with the trumpeter in a live set in May of that year.
Did Bobby Timmons play with anyone else?
Bobby Timmons went on to play and record with Chet Baker in 1956–57, Sonny Stitt in 1957, and Maynard Ferguson in 1957–58.
Did Bobby Timmons record any albums at that time?
Bobby Timmons was also known as a composer during this period: The Encyclopedia of Jazz states that his compositions Moanin', This Here, and Dat Dere.

Question: Who else did he play with at that time?
Self-contained rewrite: Who else did Bobby Timmons play with at that time?