He worked with Albert Frey on several projects in Palm Springs, California, and was part of the Van Pelt and Lind firm.

He has been referred to as a "mid-century modernist", and credited as one of the pioneers of "Desert Modernism", by using local rock, concrete blocks, metal and glass.

He worked part-time for Martson, Van Pelt and Mayberry in Pasadena, and at Silvanus Marston's suggestion, Clark enrolled in Cornell University.

[4] In 1935, Clark met Albert Frey, who was in Palm Springs supervising the construction of the Kocher-Samson office building.

Clark and Frey received several commissions from the returning veterans for homes and small businesses during this time.

Clark designed new offices for his business on Luring Drive where he completed several projects, including the Cabazon Library.