The painter that you have mentioned is Joseph Olaf Olson. He was born in Buffalo, Minnesota in the year 1894. He is known for his water color landscape paintings. He was a stained glass designer by profession and his work is there in many churches across the United States. He was a member fo AWCS and he exhibited his work there during mid 1930's. He had a wife named Grace and two kids. He died in the year 1979.