Frauds, evolutionist (real or claimed)
Creationists are always keen to point out times when scientists have been wrong. Mistakes by scientists do not render the whole of their field invalid. Science is also self-correcting.
Resources dealing with this issue in general or multiple instances not dealt with in separate pages linked to below.
Creationist exploits woman’s death to push agenda
Post by Adam Benton on his Filthy Monkey Men blog.
For resources dealing with individual instances, see the following pages: