According to the Internet source given below, Mayhew Lester Lake [Lester Brockton] was an American arranger and composer of band music. He was born in Southville Massachusetts and studied at the New England Conservatory of Music. Lake was a violinist with Boston Symphony Orchestra and became well-known as a conductor in Havana, Cuba before moving to New York. He was associated with many luminaries of his day amongst performers and composer such as Sophie Tucker, Al Jolson, Mae West, Victor Herbert, George. M. Cohan, Percy A. Grainger, Edwin Franko Goldman, John Philip Sousa, Henry Hadley and Paul Whiteman.
He was the editor-in-chief at the New York publisher, Carl Fischer from 1913 to 1948 for band and orchestral music. As with many of his contemporaries he used a number of pseudonyms including Lester Brockton, Paul DuLac, Charles Edwards, William Lester, Robert Hall and Alfred Byers. Of ragtime interest are his The Rag Baby (1916) and A Ragtime Travesty on Carmen (1918)