One way Lincoln put people at ease was by telling stories, which got him the nickname Father Abraham.

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"Abraham is considered the father of all these three faiths, " Panufnik explains.

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But there were also Catholic leaders like Father Theodore Heshburg, and Jewish leaders like Rabbi Abraham Joshua Heschel, Muslim leaders and Hindu leaders.

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Just as Abraham-Louis Breguet was a founding father of mechanical watchmaking, his great-great grandson, Louis-Charles Breguet, achieved similar fame in the aviation field.

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