Sidney Rosenthal Explained

Sidney Rosenthal (1907 - 1979), from Richmond Hill, New York, is credited with inventing what is now known as a Magic Marker in 1953.^{[1] [2]}

Notes and References

1. News: Blair . Cynthia . October 1, 2007 . 1952: Sidney Rosenthal Invents the Marker Pen . https://web.archive.org/web/20071001005524/http://www.newsday.com/other/special/ny-ihny0807story,0,7725291.htmlstory . October 1, 2007 . . June 22, 2017.
2. News: Marc . Siegelaub . January 13, 2003 . Indelibly Devoted / Marker-maker's widow fights for his fame . https://web.archive.org/web/20110629201846/http://www.newsday.com/lifestyle/indelibly-devoted-marker-maker-s-widow-fights-for-his-fame-1.448959 . June 29, 2011 . Lifestyle section . . June 22, 2017. live . subscription .