Conversation so far:
What was Salvador Dalí's fashion?
Salvador Dalí's cooperation with Italian fashion designer Elsa Schiaparelli was well-known, when Dalí was commissioned to produce a white dress with a lobster print.
Why was Salvador Dalí commissioned to produce a white dress with lobster print?
Did Salvador Dalí work with any other designers besides Elsa Schiaparelli?
In 1950, Salvador Dalí created a special costume for the year 2045 with Christian Dior.
Where was the Christian Dior dress Salvador Dalí designed with Christian Dior introduced?
Were Salvador Dalí working with Elsa Schiaparelli and with Christian Dior his only two times working with a designer?

Question: When did he do photography?
Self-contained rewrite: When did Salvador Dalí do photography?