David Charles Hahn was born in Royal Oak, Michigan. His early childhood showed a curious and inquisitive nature.

During his early years, Hahn demonstrated an aptitude for science and chemistry, engaging in basic chemistry experiments and displaying a thirst for knowledge.

Hahn joined the Boy Scouts of America, pursuing merit badges with a growing intensity. He excelled in merit badges related to science and nature, demonstrating a dedication to achieving the Eagle Scout rank.

Hahn became increasingly engrossed in more advanced chemistry experiments, often acquiring chemicals from unconventional sources and conducting experiments in his mother's shed.