John H. Balsley
John H. Balsley was a master carpenter and inventor, inventing a practical folding wooden stepladder and receiving the first U.S. patent issued for a safety stepladder in the year. John H. Balsley, American carpenter and inventor (d. 1895)
29 May 1823
Born on the same birth day (29 May): Andreas Schäffer • Edith Roger • Henri Braconnot • Jason Allison • Robert Axelrod (actor) • Steven Levitt
Born in the same month (May 1823): Frederick Weld