BUSINESS: International News The Kirk Family Celebrates 100 Years in Optics By Staff Friday, September 14, 2018 12:25 AM In 1919 Sidney and Percy Kirk converted a dilapidated sewing machine into a lens cutter. Thus began a century of the Kirk family influencing optics around the globe and in 2019 Jason and Karen Kirk carry the mantle of 100 years of Kirks in optics. Read More.