Anti-pseudoscience
James Randi: Magician and Scientific Skeptic

James Randi
Video: Magician and Scientific Skeptic
Video: bigthink.com:
A Lifetime Fighting Pseudoscience
James Randi and the Great Carlos hoax

Carlos hoax
James Randi and the Great Carlos hoax
Image source: www.skepdic.com
Cottingley Fairies hoax

Cottingley Fairies hoax
*cottingleyconnect.org.uk: Cottingley Fairies hoax
*skepdic.com: Pranks, Frauds, and Hoaxes
Image source: multiple sources
Reference: en.wikipedia.org: Cottingley Fairies