In honor of her deceased husband, Karen Hartwick purchased the last virgin pine forest in the lower peninsula and donated it to the state, creating the Hartwick Pines State Park.
Edward Hartwick by sculptor Julius Loester in Woodlawn Cemetery (Detroit)
Sources :
Michigan Every Day
A biographical sketch of Major Edward E. Hartwick / Gordon K. Miller
Edward Edgar Hartwick wikipedia entry
A Visit to Hartwick Pines State Park (2007) via YouTube