Our appreciation is expressed to those listed below, who have made a contribution or pledge (as of 3 March 2017) to Zygon's Philip Hefner endowment fund, established to honor Philip Hefner for his twenty years of service as editor of Zygon. Donors wishing to support Zygon in this way may find more information and download a pledge/donation form at www.zygonjournal.org/donate.html. Contributions up to a total of $70,000 will be matched.

Guarantors ($2,000 and over)
Solomon H. Katz	Karl E. Peters
William Lesher
Sustainers ($250 to $999)
Marjorie H. Davis	Vatican Observatory Group
Mary Evelyn Tucker
Sponsors ($100 to $249)
Melvin Gray	Alfred Kracher
Larry Erickson	Varadaraja V. Raman
Bill Irons
Friends ($25 to $99)
Michael Cavanaugh	Paula Fangman
William and Bonnie Falla	William Shoemaker

Our appreciation is expressed to those listed below, who have made an annual contribution (as of 3 March 2017) of an amount in the stated categories. New contributors will be added to this list in future issues. Donors wishing to support Zygon in this way may find more information and download a pledge form at www.zygonjournal.org/donate.html.

Sponsors ($100 to $249)
Marjorie H. Davis	N. Kermit Olson
Larry Erickson	William and Marie Rottschaefer
Paula Fangman	Mary Evelyn Tucker
Larry L. Greenfield	Varadaraja V. Raman
Antje and Heinz Jackelén
Friends ($25 to $99)
William and Bonnie Falla	Wesley V. Hromatko
	William Shoemaker
Memorial Gifts
In memory of
Thomas Fangman,	Toni Olson,
given by Paula Fangman	given by N. Kermit Olson
In honor of
Solomon Katz,	Marilyn Hromatko,
given by Larry L. Greenfield	given by Wesley V. Hromatko