Timothy H. O'Sullivan

1840–1882 (age 42)

Biography

Timothy H. O'Sullivan (1840–1882) brought the trials of the Civil War into sharp relief through his lens, serving with the Union Army and later joining government surveys that documented the western territories.

His photographs of battlefields, Native American communities, and the expanding frontier remain a vital visual record, reminding visitors that he sought to preserve both the sorrow and the dignity of turbulent times.