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a German computer scientist and chess programmer. Along with co-author [[Kai Skibbe]], Frank is primary author of the chess engines [[Gromit|GromitChess]], [[Anaconda]] <ref>[http://hobblefrank.homepage.t-online.de/AnacondaChess/index.htm Anaconda Chess Home Page]</ref> and [[PocketGrandmaster]] for [[Windows]] [[Pocket PC|Pocket PCs]] and [https://en.wikipedia.org/wiki/Windows_Mobile mobiles] <ref>[http://www.pocketgrandmaster.com/english/index.html Welcome to PocketGrandmaster]</ref>. He is further author of [[Ginkgo]], debutant at the [[WCCC 2015]] in [[Leiden University|Leiden]], and author of [[Fritz|Fritz 17]], released in November 2019.