Walter McClain , circus elephant trainer in United States Born ca 1898 dead 1942-11-26 in United States . Walter McClain started 1917 as candy butcher at Sparks Circus, became assistant to Louis Reed in 1923, and Elephant superintendent 1924-1931. Walter McClain with unidentified elephant, on Unknown show. The locomotive was #706 of the Central Vermont Railroad and it was built in 1928.