Heinrich Hauptman was a citizen of Earth and later the Star Kingdom of Manticore.

A zero-balancer from the second colonial wave to arrive on the planet Manticore, he established the foundations of the Hauptman Cartel and was the great-grandfather of Klaus Hauptman. (HH1)

In 1539 PD, he had become managing director for Countess Barbara Acton's shipping company, after being involved in the refit of the light cruiser HMS Casey with electromagnetic missile launchers. (MA2)

In 1544 PD, he took part in the Casey's tour of the Silesian Confederacy, looking for potential buyers for future Manticoran-built impeller drives. (MA3)