David Funck (fl.mid 18th century) David Funck was an early to mid 18th century map publisher based in Nurenburg, Germany. He is known to have worked with such prominent cartographers as Homann and Doppelmayr. Funck also issued numerous maps independently. Click here for a list of rare maps from David Funck. Rare maps by David Funck currently for sale. Rare maps by David Funck in the Geographicus Antique Map Archive.