1960s
Unfortunately leadholder.com doesn’t work 100% at the moment. Many of leadholder.com’s images will not display, so I can’t be sure whether this is a real Staedtler lead holder or a copy ..but for now, because of the blue colour, I assume that Denys Fisher, the inventor of the Spirograph, used a Staedtler lead holder in these photos.
2016
Haiyan Zhang came up with an invention that helps Parkinson’s sufferers to be able to write and draw again – and it all started with her Staedtler pens.
The screenshots have been taken from The Toys That Made Christmas and The Big Life Fix with Simon Reeve. I believe that the use of the images shown in this blog post, falls under “fair dealing” as described by the UK Copyright service.