Both Uses

preeminent
in
Abraham Lincoln and the Self-Made Myth
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Although his métier was politics and not business, Lincoln was a preeminent example of that self-help which Americans have always so admired.†
Subsection 1

preeminent = outstanding or surpassing others in status, ability, or possession of a notable characteristic
No, replied the Little Giant, but "he is preeminently a man of the atmosphere that surrounds him."†
Subsection 6 *

preeminently = in a manner that surpasses others in status, ability, or possession of a notable characteristic

Definitions:

(1) (preeminent)
outstanding or surpassing others in status, ability, or possession of a notable characteristic
(2) (meaning too rare to warrant focus)