History...
In 1954, H. Ivan McLean sold his interest in the very successful Quality Sign Co. which he had started in 1919. He wanted to pursue his passion full time, the relatively new process of Screen Printing.
I feel sorry for those who have to work all day and then go home to enjoy their hobby. I get to enjoy mine all day, Ivan would often say.
Ivan is now gone but the process he helped pioneer and the business continue.