William Hillegas and Kathleen Branson-Hillegas All tributes Description Bench in the Wet Woodlands in the Great Lakes Gardens at the Matthaei Botanical Gardens Dedication 31st Anniversary. William Hillegas & Kathleen Branson-Hillegas. December 2013. Let Nature Embrace You. Directions to Tribute Join our Mailing List Sign up to receive updates on news and events.