 In 1913, Wickson spent six months in Europe as one of two California delegates on the American Commission to Study Agricultural Cooperation and Rural Credit in Europe.Around 1919, Wickson consulted with real estate developer J.C. Forkner (eventual founder of the J.C. Forkner Fig Gardens) on the potential of fig farming as a viable commercial enterprise in California.He died in Berkeley, California, on July 17, 1923.