The Michelson 20MM Foundation is promoting open educational resources (OER) and lowering the cost of instructional materials through grants to educational institutions and organizations in the OER space. The recipients of the 2021 Michelson 20MM Spark Grants in OER are California State University Channel Islands (CSUCI), Compton College, the Institute for the Study of Knowledge Management in Education (ISKME), and the Scholarly Publishing and Academic Resources Coalition (SPARC).