Joseph Henry Curtis (July 5, 1841 - May 27, 1928) was a Boston landscape architect and civil engineer. Curtis was born in Boston and attended Brown University in 1861. He served the Union Army, 44th Infantry, from 1862 - 1863 during the American Civil War. After the War from 1867 - 1868, he attended MIT. He was a self-taught engineer and promoted himself throughout New England as a Landscape Engineer and Designer. Most of his projects were in Maine and he had a love of Mount Desert Island. He built a gracious estate, Thuya Lodge, in Northeast Harbor, Maine. The estate's lavish gardens are today a historic preserve open to the public.