Hefflin Legacy Foundation’s vision is to provide educational materials, seminars, and future funding. leading to events that showcase and teach the history of Central Avenue; music ofJim Crow era jazz art in the Cavalcades of Jazz: along with Leon Hefflin, Sr.’s contributions to the city of Los Angeles while learning science concepts.. HLF donations will support the Black Wings Children’s Museum on the campus of Windsor Hills Math, Science and Aerospace Elementary:. ultimately inspiring young people to pursue careers in science. The Foundation’s mission is to teach future generations about the power of individuals to overcome social disparities and create a legacy