Hannah was known for his belief that community service is most effective when performed by diverse groups working together. Under his leadership in the late 1960s and early 1970s, IM – then called Houston Metropolitan Ministries – became Houston’s main hub for the gathering of people from multiple faiths. In fact, Hannah’s vision was the inspirational core that eventually led to the creation of IM and the embracing of all beliefs and traditions for purposes of service.

Today, IM is representative of the rich diversity of Houston’s faith community and administers services and programs including Meals on Wheels, Refugee Services, Interfaith Relations and Community Partnerships, and Volunteer Houston.

Hannah is described as humble, authentic and a man of action by his former colleagues and friends.

Hannah’s life was celebrated on March 12 at St. Philip Presbyterian Church.