Ora and Theo Coster
From Wikipedia, the free encyclopedia
Theo (1928–2019) and Ora (1931–2021) Coster (Hebrew: תיאו ואורה קוסטר) are the founders of Theora Concepts; they were a married Israeli couple and inventors of about 200 games and toys including Guess Who?, Magimizer, Zingo!, and Go Pop.[1]
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