Hugo Kaulen Sr. (28 October 1869 - 9 July 1954) was a pioneering German balloonist.
He was born on 28 October 1869 in Ronsdorf.
He had a son, Dr. Hugo Kaulen.
Jr.[1] From 13 to 17 December 1913 he stayed aloft for 87 hours.
He died on 9 July 1954 in Wuppertal.