 In 1939, he arranged and promoted a touring exhibition, "The Art of the Jagger Family", which included work by all three Jagger siblings.Jagger's most reproduced work is the portrait of Robert Baden-Powell, as presented to Lord Baden-Powell during the "Coming of Age Jamboree" on 10 August 1929.Innumerable copies of this portrait have been created, and are displayed on Scouting premises worldwide.