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Black inventor, David Crosthwait holds 39 patents for heating systems and temperature regulating devices. He is most well known for creating the heating system for New York City's famous Radio City Music Hall.

ACKHI was set up to promote, maintain, improve and advance education for the benefit of the public in African and African Diasporic cultural heritage particularly by the production of educational materials and the encouragement of the arts. One of our main objectives is to promote African Diasporic and African cultural heritage through various arts media. To promote an Afri-centric perspective of history, current affairs, knowledge and systems and to facilitate organizational capacity building through the organization and or delivery of appropriate training in organizational and management skills.