His contribution to the graphic arts included the Klischograph photomechanical printing plate etching machine and the Digiset, the first digital typesetter.
To mark his 100th birthday last year the German city of Kiel, where the Hell factory (later Linotype-Hell and now Heidelberg) is based, named a street Dr Hell Strasse in his honour.
Have your say in the Printweek Poll
Related stories
Latest comments
"An excellent business and nice people to work with. Such a shame to see this all disappear from the UK. Wishing you both the best in your future and enjoy retirement"
"You must tell us you lipstick shade Derek, very fetching!"
"Was thinking same. I used to long for a red button option to watch it without Gregg's input in the past."
Up next...
Report on directors' conduct has been submitted
£50k customer asset lost by Works Manchester
100sqm showroom opening
Moss UK expands London foothold
Started this week
Videojet takes on David McGuiness in senior marketing role
Stock Exchange announcement today