"Robin Lee Graham, left, during his solo trip around the world in the 1960s. Robin met his future wife, Patti, right, during the trip, and she would often meet up with him along the journey. (from article posted below photos)
"Robin and Patti Graham pose for a portrait on their dock overlooking Flathead Lake at their home in Somers on May 6, 2019"
I definitely remember that photo with the cat perched on the outboard.