The Society for Amateur Scientists (SAS) was a non-profit 501(c)(3) organization dedicated to "helping ordinary people do extraordinary science". It was the first.
The Amateur Scientist was a column in the Scientific American, and was the definitive "how-to" resource for citizen-scientists for over 72 years (1928–2001).
You don't need a Ph.D. to be a scientist, nor do you need a lab coat and goggles.
"In the matter of physics the first lessons should contain nothing but what is experimental and interesting to see. A pretty experiment is in itself often more.
Forrest M. Mims III is a writer, teacher, and amateur scientist. He received a Rolex Award for developing a miniature instrument that measures.