Which director is known for pioneering technicolor?

The Wikipedia entry supplied focuses on the technical evolution of the Technicolor process, noting its introduction in 1916 and subsequent developments through the 1950s. It describes the mechanics of the three‑strip camera and later monopack formats, as well as the broader history of color motion picture processes. No individual director is mentioned in this context, and therefore the source offers no evidence linking a specific filmmaker to the pioneering of Technicolor. Thus, based solely on the verified information given, we cannot identify a director known for pioneering Technicolor.