Gallery, Hisbits, Holidays, Sketches, Thoughts Sketch Ballpoint Pen Day Loud And Biro June 10, 2021 / John Loud and Lazlo Biro, Fathers of the Ballpoint Pen Today’s very quick Ballpoint Pen Sketches, in honor of Ballpoint Pen Day 2021, are of the two men who created it. They are John Loud and Lazlo Biro. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)Like this:Like Loading...