All his degrees were earned at the University of California at Berkeley. Since retiring in 2006, he has lectured on four continents and at conferences held at or sponsored by U.S.C.,  L.S.U., U.C.L.A., Texas at Austin, Yale, Georgetown, Syracuse, Temple, Toronto, among others. He has also authored American Prometheus, which won two awards at the 2013 NYC Book Expo — an iBook composed on Apple software. Gage wrote the chapter on education in Hizmet Means Service, edited by Dr. Martin Marty, published in 2015 by U.C. Press,. He is the author of three entries in the Encyclopedia of English Language Arts. He has also critiqued for the National Council of Teachers of English the standards in language arts for Vermont and Oregon, and participated in the team that adjudicated the self assessments of a lower division major and four masters degrees at one of the Iowa State universities. Further, he served on the writing or advising teams that resulted in two documents of the California State Department of Education. Gage, in 1973, participated as one of two authorities in his field in responding to the first published findings of the National Assessment of Educational Progress (“NAEP”).