 Nyora kupfuurira kweiyi ndima - Machotka akaberekwa muna 1936 muPrague, Czechoslovakia. Akatamira kuUnited States nemhuri yake muna 1948 kuti atize kudzvinyirirwa kwechiKomonisiti, zvichitevera kudengenyeka kwechiKomonisiti. Machotka akapinda kukoreji paYunivhesiti yeChicago pazera remakore gumi nematanhatu, uye akawana PhD muPsychology kubva kuYunivhesiti yeHarvard. 