Necessity is the mother of invention, and its father is ingenuity. Ingenuity provides the spark of creativity which fosters the opportunity presented by a recognized need. Opportunity plus ingenuity equals invention. African-American history illustrates many examples of the union of necessity and ingenuity leading to invention.
ingenuity--inventiveness, cleverness, and originality.
Click on the link in the post title to see a list of African-American inventors.