Wadsworth E. Pohl

Wadsworth Egmont Pohl (born February 13, 1908, in Redlands, California - February 12, 1990, in Los Angeles) was an American engineer and inventor who won a Technical Award in 1964, and was credited with the invention or development of the Sodium vapor process and the bluescreen process.

Life Pohl grew up in California San Bernardino County His most important achievement in the cinematic field was made in 1964 in association with Petro Vlahos and Ub Iwerks in the film Mary Poppins, in which all three named were awarded an Academy Scientific and Technical Award of Merit "for the conception and perfection of techniques for Color Traveling Matte Composite Cinematography."