He was educated for the profession at the University of Berlin and was a skilled dentist before the establishment of dental schools in America.
He was fluent in 7 languages and as many dialects. Neibaur"s father served as a surgeon in the Army of France. Neibaur was first educated to be a rabbi but concluded to become a surgeon and dentist.
He received a degree to that end in 1827, before his 20th birthday.
He moved to Preston, England, in 1830. Neibaur arrived in Nauvoo, Illinois on 18 April 1841.
Neibaur was among the defenders of the city during the Battle of Nauvoo. In Utah Territory he continued the practice of dentistry and was a manufacturer of matches.
His graddaughter is an American sociologist, life coach, best-selling author Martha Beck.