Dr Rafal T Prinke is a historian and an assistant professor at Eugeniusz Piasecki University in Poland. He recently published a book on alchemical writings from the earliest times until the end of the 18th century. In 1995 he became interested in researching the Voynich Manuscript, which is how he met René Zandbergen. Since then he has published several papers on the manuscript, some with Zandbergen.