Shrewd, calculating and intense all describe the winningest coach in Kansas State history. Jack Hartman endeared himself to K-Staters for a number of reasons, but none more memorable than his ability ...
PINELLAS COUNTY, Fla. — When you sit behind the scenes watching Jack Hartmann make his nearly 1,800th YouTube video, you quickly realize why the children’s educational, singing sensation has nearly 1 ...
Here is a Day in the Life of a Rockstar to your children. Hartmann teaches them the ABCs and other educational material at the preschool and primary level. Usually, Hartmann begins his day with a ...
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