Gregory Samuel Ain was an American architect active in the mid-20th century. Working primarily in the Los Angeles area, Ain is best known for bringing elements of modern architecture to lower- and medium-cost housing. He addressed "the common architectural problems of common people".

Lincoln Heights is one of the oldest neighborhoods in Los Angeles, California, United States. It was originally called "East Los Angeles" from 1873 to 1917. It is a densely populated, mostly Latino and Asian neighborhood that includes many historic landmarks and was known as "the Bedroom of the Pueblo".