Who was the world's first roller coaster enthusiast, often recognized for his early writings?

John A. Miller is recognized as the world's first roller coaster enthusiast due to his extensive writings and contributions to the field of roller coasters. He had a profound passion for roller coasters and dedicated much of his life to studying and documenting them. Miller's knowledge and enthusiasm helped inspire a greater appreciation for roller coasters among the general public and enthusiasts.

He authored various articles and manuals that not only discussed the intricacies of roller coaster design and operations but also captured the thrills and experiences associated with riding them. His work laid the foundation for roller coaster enthusiasts as a community, making him a significant figure in the history of amusement parks and ride design.

The other figures mentioned have had important roles in the industry, but their contributions do not center specifically on the focus of roller coaster enthusiasm and documentation in the same way that Miller's writings do.