William L. "Bill" Cobb, was a designer and engineer of roller coasters, as the founder and head of William Cobb & Associates. He is particularly noted for his work on designing and relocating several major wooden roller coasters in the 1970s and 1980s. A number of these coasters were world-record holders at the time of their opening. On the subject of roller coaster design, Cobb has been quoted as saying "You have to be a little bit mean. Wikipedia
The definitive Wikipedia entry for William Cobb. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/William_Cobb