through an exchange of stock in 1911. Dordtsche Petroleum Maatschappij board minutes later revealed company officials feared a "public outcry" if they did not sell to another Dutch company. The board expected “a storm against us, if the competition struggle would end in the favor of the foreigner [Standard Oil],” the minutes said. While prospecting for oil in Bavaria, Germany in the early 1900s, Stoop discovered instead thermal water containing high levels of sulfur and iodine. German specialists thought this water would have health promoting properties and this led to creation of a spa at Bad Wiessee that exists to this day. Stoop also built his vacation home Jungbrunnen there. References Footnotes Bibliography 20th-century Dutch explorers 1856 births 1935 deaths Explorers of Asia People from Dordrecht Delft University of Technology alumni