HIRAM DRYER IS NOT a name that readily comes to mind when we ponder leaders who stood out during the Battle of Antietam. He remains largely unknown to all but the battle’s most ardent students, yet the impact Captain Dryer had on the fighting September 17, 1862, should not be underestimated.
A New York native, Dryer was 53 years old at Antietam. Relatively little is known about his early years, but on October 1, 1846, during the Mexican War, he enlisted in the Regular Army. Assigned to the newly organized Regiment of Mounted Riflemen, he rose rapidly in rank to first sergeant, and then earned a commission on July 31, 1848, as a second lieutenant
