Leonhard Fronsperger (c. 1520–1575) was a Bavarian German soldier and author. He received the citizenship of Ulm in 1548 and served in the imperial army...

Italian term was adopted into German in the mid 16th century, by Leonhard Fronsperger in a book on rocket artillery published in 1557, using the spelling...

the bobbin or spool used to hold the thread from a spinning wheel. Leonhard Fronsperger and Conrad Haas adopted the Italian term into German in the mid-16th...