Henry Chadwick (b. October 5, 1824 - d. April 20, 1908) While Alexander Cartwright is baseball's inventor, Chadwick is the first man to chronicle the game. The only sportswriter enshrined in the Hall itself, as opposed to the Writer's Wing, he was the first baseball writer. Chadwick's guides and instructional booklets helped popularize the game, and his method of scoring led to the game's wealth of statistics.
		Inducted in 1938
1950 Callahan Henry Chadwick PSA 9 MINT

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Comments: I won an eBay auction for a PSA 8 Callahan in August, 2004 and upgraded to this PSA 9 in October, 2005. I have a bunch of Callahans and might swap this out for a different issue at some point.

Card Details Below:
Year(s):	1950
ACC Set Designation:
Set Name:	Callahan
Country:	United States
Description:	These cards which feature artist Mario DeMarco's drawings of Hall of Famers, were produced from 1950 through 1956 and sold by the Baseball Hall of Fame in Cooperstown and at major league ballparks. The cards measure 1-3/4" X 2-1/2" and include a detailed player biography on the back. When introduced in 1950 the set included all members of the Hall of Fame up to that time, and then new cards were added each year as more players were elected. Therefore, cards of players appearing in all previous editions are more common than those players who appeared in just one or two years. When the set was discontinued in 1956 it consisted of 82 cards, which is now a complete set. B.E. Callahan of Chicago, the publisher of "Who's Who in Baseball," produced the card set.
Example 1950 Callahan Box
Example 1950 Callahan Box