During this time he also served for about a month as a captain in the Pennsylvania Infantry Militia, commanding 102 men; his nickname of "Colonel" dates from this service, although he never held that rank or, apparently, saw action.

[5] Two years later, in January 1867, he became a lead draftsman at the Baldwin Locomotive Works in Philadelphia, where he lived in company housing with his brother George, who was a foreman machinist.

Yet after his death, Hain was eulogized by the Brotherhood of Locomotive Engineers as "a true friend and almost a father" to his employees, with "a strict sense of justice in administering between his company" and them,[9] in the Brooklyn Eagle as "regard[ing] the company [not] as a commodity or speculation, but as a public agency", and by The New York Times as chiefly responsible for the fact the elevated railroad had, "[on] the practical side", been "admirably handled", and as having been "a stranger to the stock jobbing and the litigation of its owners".

[10][11] Hain showed increasing signs of nervous breakdown in his last two years on the job, and finally took a vacation in Washington, D.C., and Virginia early in 1896.

[18] She was a suffragist and a member of the Portia Club, which advocated the appointment of a female judge; she studied law in a special women's program at New York University.

[21] Hain was convinced he was descended from the Dutch admiral Piet Pieterszoon Hein, probably incorrectly since his ancestors were from the Palatinate.