"In my previous article, I introduced what could be considered the first era of skepticism, from the founding of the Association against Quackery (Vereniging tegen de Kwakzalverij – VtdK) in the Netherlands through to the work and death of arguably the first skeptical celebrity, Harry Houdini.
By the time of Houdini’s passing in 1926, the skeptical movement had coalesced around two key aims: fighting quackery, and testing claims of the paranormal. As the 20th Century entered its new decade, skepticism would develop a more structured scientific approach."