The society met as a gentlemen's club of amateur scientists.

I decided to use this change and take a huge chance to try to make a contribution as an amateur scientist.

This is something only Romanians and amateur political scientists like me know.

An amateur scientist, his reports were published in various learned journals of the time.

He also became an enthusiastic amateur scientist with a particular interest in electricity.

He was a medical doctor and amateur scientist making this observation in passing.

Don't these amateur scientists know that a dirty scale can corrupt all your data?

He started his scientific career as an amateur scientist.

His father was a singer, amateur scientist, and wealthy businessman.

In the burgeoning field of synthetic biology, even amateur scientists are building life forms.