Hickenlooper was born in Taylor County, Iowa to Margaret and Nathan Hickenlooper. The only child of farmers, he attended local public schools and later [[Iowa State University]]. He served in the Army during [[World War I]], enrolling at a training camp in [[Minnesota]], being commissioned as a Second Lieutenant, and serving in [[France]] as a battalion orientation officer. | Hickenlooper was born in Taylor County, Iowa to Margaret and Nathan Hickenlooper. The only child of farmers, he attended local public schools and later [[Iowa State University]]. He served in the Army during [[World War I]], enrolling at a training camp in [[Minnesota]], being commissioned as a Second Lieutenant, and serving in [[France]] as a battalion orientation officer. |