Send a message to the person who requested a photo of the grave monument of Herbert William Leonard Southgate with the following comment:
I am researching the staff names on the Kew Gardens war memorial. Herbert WL Southgate worked there. Many thanks Mark Norris https://worldwarzoogardener1939.wordpress.com/2013/07/19/such-is-the-price-of-empire-the-lost-gardeners-of-kew-in-the-first-world-war/