So essentially Wikipedia says he was Polish and born into a noble family, but became an orphan at an early age so his grandparents raised him.
At some point he inherited a lot of money, and took drawing and painting lessons.
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http://atelierentomologica.tumblr.com Edward Okun,self portrait with butterfly) c.1902
Eventually he designed magazine covers, and illustrations for magazines such as the German magazine Jugend which translates as "Youth" which was a really cool art magazine.
He was also an art professor and member of other art related societies and an artist colony.
At an annual art opening called Salon Incentives, Poland's first president was assassinated, and Edward Okun and one of the presidents aides caught the assassin.
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http://www.the-athenaeum.org/art/full.php?ID=81076 Mother Mushroom, circa 1900
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https://www.flickr.com/photos/hauksven/10001026144 In the Lemon Orchard, circa 1900
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https://www.pinterest.com/gwazdka/edward-okuń/ Fraulein Leopardus, circa 1906