He was married to Jeanne Geneviève Labrosse, who also became a balloonist and parachutist.
He made the first parachute jump in England in 1802.
He invented a new type of balloon called the "Garnerin parachute balloon."
He wrote a book about his experiences called "A Voyage in the Air."
He died in 1823 at the age of 54 while attempting a parachute jump from a hot air balloon.