What career path did Percival Lowell pursue before dedicating himself entirely to astronomy in 1894?

Answer

Diplomacy and business, including founding the Boston and Lowell Railroad

Before turning his considerable resources toward the skies, Percival Lowell had an international career in diplomacy and business, and he was involved in founding the Boston and Lowell Railroad.

What career path did Percival Lowell pursue before dedicating himself entirely to astronomy in 1894?
MarsscientistAstronomerobservationplanet