Jerry
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John Peter (Jack) Michalski (1924-1983)
Dad's Passions
Anthropology
Origins of Mankind
Out of Africa Theory
Great Rift Valley
Tanzania (1964 unification of Tanganyika and Zanzibar)
Arusha
TED Arusha
Parents
Arusha
TED Africa
Jumps
TEDGlobal 2007 Tanzania