What was the general characterization of Jacques-Étienne Montgolfier compared to his elder brother Joseph?

Answer

He was more pragmatic and managed the family's paper mills

Étienne, the younger brother, was described as being more pragmatic and actively involved in managing the family’s paper mills, contrasting with Joseph’s more imaginative nature.

What was the general characterization of Jacques-Étienne Montgolfier compared to his elder brother Joseph?
inventionaviationflightballoonMontgolfier brother