James Hartwig, of Sacramento, son of the late Ellsworth & Rose (nee Michalica) Hartwig of Lyons, IL, passed away Sunday, Feb. 21, 2021 at the age of 72. He spent most of his adult life living in Southern California and worked for 15 years for the California Emergency Management Agency. He had a passion for the outdoors, fishing, reading and always learning more about everything. He is survived by his son Tom (Julie) Hartwig, grandchildren Erik and Jaye Hartwig, sister Janine (Tom) Mara, brother Tom (Debbie) Hartwig, brother Bill (Clare) Hartwig, stepchildren Jesse, Julie, and Rachel Combs, and many nieces, nephews, cousins, loving companion and friends.