2439 Glenwood was home to Alfred Elvin, the superintendent of Colton Manufacturing Company, according to the 1900 city directory.  The 1910 directory listed Mark Knabenshue, a manufacturer's agent, while the 1918 directory listed Smith Bartlett, the vice-president of the Rupp & Bowman Company.  His wife was Charline Bartlett who became a widow by 1921.  Also, in another unit was Oscar Widman, a foreman, in 1918 and Ezra Becker, a wallpaperer and painter, in 1921.