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Jack Hartmann

73 years old Pop Singer born on

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Detailed Information

Personal details and public facts.

Profession
Pop Singer
Age
73 years old
Zodiac
Pisces
Born in
United States
About
American musician who has become one of the country's most respected performers of educational children's music. He compiles videos about topics ranging from mathematics to nutrition on his YouTube channel, which has earned more than 2.1 billion views to date.
Family
He married a kindergarten teacher named Lisa. He has two children.

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