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HOME ABOUT US HISTORY PROJECTS MEMBERSHIP CONTACT SUPPORT HHA PRESS More OUR MISSION The Hyperion Historical Alliance HHA is a professional organization that seeks to advance memberinitiated projects related to Disney history. Although unaffiliated with The Walt Disney Company the HHA is made up of members with longstanding career archival professional academic and heritage connections to Disney. As an official 501c3 nonprofit association the Hyperion Historical Alliance independently works to preserve documents artwork and other material related to Disney history. Vetted members with professional interests actively network to identify opportunities for finding and preserving material at risk of being lost to time neglector decay.