sentences:  His mother, Margaret Mayorga, was the author of A Short History of the American Drama, which had been her master's thesis and which became a standard reference in libraries.She originated and edited The Best One-Act Plays of 19xx, an annual series published variously by Dodd, Mead & Company, Samuel French and Little Brown from 1937 to 1961.Eric had no siblings and was encouraged very early by his mother, who recognized his talent in math and science.