Arthur A. Denny was an American pioneer and politician known for his significant role in the early development of Seattle, Washington. Born in 1822, he arrived in the region in 1851 and became one of the city's founders. Denny was instrumental in establishing the first school and church in Seattle, contributing to the community's growth. In addition to his work as a founder, Denny served as a member of the Washington Territorial Legislature. He was also involved in various business ventures, including real estate and shipping. Denny's legacy is remembered through several landmarks, including Denny Park and Denny Way.