I thought you were out of this?
but correct
Clement Ader (not Adler) with his batlike Eole.
He hopped about 50 metres far at less than 30 centimeters height.
at Gretz-Armainvilliers
Later he made the Avion.Which word is the only thing remaining from his contributions to aviation.
The greatest acheivement were his very light steam engines.
He also envisioned Air bombing and aircraft carriers.
over to dook