Take the following as truth: Karenga, Kwanzaa's creator, has also written two books on the celebration,  Origin, Concepts, Practice and The African American Celebration of  A Celebration of Family, Community and Culture . And Anna Day Wilde describes how the holiday gained popularity in Mainstreaming Kwanzaa, in Public Interest , No.
Then the following statement: "Karenga created the holiday of Kwanzaa. " is true, false, or inconclusive?