Annie E. Casey Foundation
Corporation for Public Broadcasting
Grantham Foundation for the Protection of the Environment
William and Flora Hewlett Foundation
Robert Wood Johnson Foundation
Henry P. Kendall Foundation
Lilly Endowment
Lintilhac Foundation
Henry Luce Foundation
John D. and Catherine T. MacArthur Foundation
Park Foundation
Pew Charitable Trusts
National Institutes of Health
National Public Radio
PRI Program Fund (including the Ford Foundation)
John Templeton Foundation

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