Authorities have identified 69-year-old Michael McCallister as the victim of a fatal head-on collision that occurred Friday morning on Old Adobe Road.
The Press Democrat reports McCallister was a beloved father, grandfather, and longtime Petaluma resident who was known by friends and family as the person everyone could lean on in times of need.
A GoFundMe has been set up to support his wife and four children as they face funeral costs and the potential loss of their home following this sudden tragedy.