From Wiki, a list of X15 pilots. A few well known names,but many labored in obscurity.

X-15 pilots[edit]
Pilot Agency Flights Aircraft
Mike Adams USAF 7 56-6670 (4), 56-6672 (3)
Neil Armstrong NASA 7 56-6670 (3), 56-6672 (4)
Scott Crossfield North American 14 56-6670 (2), 56-6671 (12)
Bill Dana NASA 16 56-6670 (6), 56-6671 (1), 56-6672 (9)
Joseph H. Engle USAF 16 56-6670 (7), 56-6672 (9)
Pete Knight USAF 16 56-6670 (6), 56-6671 (8), 56-6672 (2)
John B. McKay NASA 29 56-6670 (12), 56-6671 (11), 56-6672 (6)
Forrest S. Petersen USN 5 56-6670 (4), 56-6671 (1)
Robert A. Rushworth USAF 34 56-6670 (13), 56-6671 (12), 56-6672 (9)
Milt Thompson NASA 14 56-6670 (5), 56-6672 (9)
Joe Walker NASA 25 56-6670 (13), 56-6671 (3), 56-6672 (9)
Robert White USAF 16 56-6670 (6), 56-6671 (6), 56-6672 (4)


Kind of lost the formatting in transit.

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1982 300SD " Wotan" ..On the road as of Jan 8, 2007 with Historic Tags