Fanny Hesse (1850-1934) was a lab technician and technical illustrator who introduced agar to the study of bacteria revolutionising microbiology.
Otto Baumbach (1882-1966) was a glass blower whose work in Manchester was vital to Nobel Laureate Ernest Rutherford.
Caroline Herschel (1750-1848) was an assistant to her brother William Herschel and a successful comet hunter in her own right. She was the first salaried female in the history of astronomy.
Peter Desaga (1812 – 1879) was an instrument maker from Heidelberg who designed and built the first Bunsen burner.