John Henry Alexander

John Henry Alexander
BornJune 26, 1812 
DiedMarch 2, 1867  (aged 54)
Alma mater
OccupationEducator, civil engineer, businessperson, author
Employer
Spouse(s)
Margaret Hammer
(m. 1836)
Position heldengineer (18341841) 

John Henry Alexander (June 26, 1812 – March 2, 1867) was an American scientist, civil engineer and businessman.