He is Professor of Technology & Human Learning in the College of Education at Michigan State University Hartman was born to schoolteacher parents and spent his early years in Montana and Hawaii.
His only edited book, Stories Teachers Tell (co-edited with Richard Donato), was adapted into a reader's theater production and performed off-Broadway in New York City.
His collaborations at the New Literacies Research Lab transformed how educators teach reading, writing, and learning with digital tools.
He also contributed to rethinking national and international literacy assessments—beginning with ePIRLS and extending to PISA and NAEP—by simulating online learning tasks and text navigation.
His doctoral seminars have traveled throughout America's Midwest and New England, examining primary-source artifacts of literacy's past.