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Appearances of Prof Haley

Prof Haley first appeared in Showcase (DC, 1956 series) #6 (January-February 1957). His full name was given as "Mark Haley" in Challengers of the Unknown (DC, 1958 series) #83 (October-November 1977). His full name was given as "Walter Reed Haley" in Who's Who in the DC Universe (DC, 1990 series) #1 (August 1990), and as "Walter Haley" in Challengers of the Unknown (DC, 1991 series) #2 (April 1991). Many fan websites list Prof Haley's name as "Walter Mark Haley", however this has never been established in any comic book story.

Issue Name Publication Date Cover
Action Comics (1938 Series) -
Adventure Comics (1938 Series) -

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Bizarro Comics (2001 Series) -

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Bizarro Comics (2003 Series) -

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Blackhawk (1957 Series) -

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Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 Series) -
Challengers of the Unknown (1958 series) #82 August-September 1977
Crisis on Infinite Earths (1985 Series) -

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Crisis on Infinite Earths Deluxe Edition (2015 Series) -

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DC Comics Presents (1978 Series) -

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DC Universe: Legacies (2011 Series) -

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DC Universe: Legacies (2012 Series) -

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DCU: Legacies (2010 Series) -

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DCU: Legacies (2010 Series) -

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G.I. Combat (1957 Series) -
Great American Comic Books (2001 Series) -

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Justice Society of America: Monument Point (2012 Series) -

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Secret Origins (1961 Series) -

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Showcase (1956 Series) -
Showcase (1956 Series) -
Showcase (1956 Series) -
Showcase (1956 series) #6 January-February 1957
Solo: The Deluxe Edition (2013 Series) -

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Super-Team Family (1975 Series) -

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Super-Team Family (1975 Series) -

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Superman (1939 Series) -

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Tales of the Unexpected (1956 Series) -

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Tales of the Unexpected (1956 Series) -

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The Brave and the Bold (1955 Series) -

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The Brave and the Bold (2007 Series) -

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The Brave and the Bold (2007 Series) -

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The Flash (1959 Series) -

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The Flash 123 (Facsimile Edition) (2020 Series) -

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Who's Who: The Definitive Directory of the DC Universe (1985 Series) -

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Who's Who: The Definitive Directory of the DC Universe (1985 Series) -

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