Another black and white series introduced in 2009: “Train of Thought” sponsored by New York Times and WQXR radio also owned by NYT. Each card has a quotation from famous writer or thinker.
Since NYT sold radio station WQXR Jeopardy! ABC7 show start sponsoring this series.
All together there are 26 cards already. Quotations from Shakespeare, Einstein, Elliot, Donne, Kafka, Poincare, Darwin, Lincoln, Kant, Morison, Arnold, Chuang Tzu, Herodotus, Nietzsche, Poincare, Howe, Wilde, Greeley, Whitman, Emerson, Khatun, Boethius.
The last cards have different sponsors: Jeopardy! ABC7 stays as a sponsor, but New York Times dropped out and was replaced by New York Public Library and The Humanities Initiative at NYU.
It was very obvious choice to start this series with quotation from Shakespeare.