author
Best remembered for a practical handbook on laboratory glass-blowing, this early 20th-century writer helped turn a specialized craft into clear, usable instruction for students and working scientists alike.

by Bernard D. Bolas
Bernard D. Bolas is credited as the author of A Handbook of Laboratory Glass-Blowing, a hands-on guide first published in 1921. Library and catalog records consistently link him with that book, which focuses on the techniques needed to shape and repair scientific glass apparatus.
Project Gutenberg lists him as Bernard D. (Bernard Dell) Bolas, suggesting that Bernard Dell Bolas was his fuller name. Beyond his work on laboratory glass-blowing, readily available biographical details appear to be limited, so his published handbook remains the clearest window into his contribution.
His appeal today comes from how direct and practical the book is. Even now, it stands as a useful snapshot of laboratory craft knowledge from its era, written for people who wanted to learn by doing.