Petr Jakeš

Czech geologist

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Petr Jakeš (2 May 1940 in Břehy – 29 November 2005 in Prague) was a Czech geologist and geochemist. He dealt mainly with geochemical and volcanic processes on Earth and on celestial bodies, research on meteorites and lunar rocks.^{[citation needed]}

Jakeš and his colleague Josip Kleczek co-authored the 1985 general reference book The Universe and Planet Earth; it was translated into English by Stephen Finn and published in North America and Europe in 1987 by Octopus Books.