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I don't know, but Images of earth from outside had been made for more than 500 years. A globe of the Earth would seem to count as a "depiction of any kind". The sphericity of the Earth was established by Greek astronomy in the 3rd century BC, and the earliest terrestrial globe appeared from that period. The earliest known example is the one ...


3

"suspect" is hard to track... François Viète in Variorum de rebus responsorum mathematics liber VIII (1593) discovered the first infinite product in the history of mathematics by giving an expression of $\pi$ with what is now called Viète's formula. John Wallis, like Viète, expressed $\pi$ in the form of an infinite formula, but involving only ...


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