Boffins are the characters who Deryn refers to as such. They are scientists, engineers, doctors, etc.

Dr. Nora Barlow

Nikola Tesla

Charles Darwin

“Ada, Countess of Lovelace was a British boffin whose work is often used by Clankers. In real...

Ada Lovelace

Dr. Busk

“Peter C. Mitchell is a friend of Dr. Nora Barlow and a member of the Zoological Society of...

Peter C. Mitchell