He worked for the paper 15 years, starting from the beginning of the 1970s, until his death at the age of 64.
His colleagues included Nigel Holmes, Edwin Taylor, Robert Harding and John Grimwade.
Sullivan was also Head of Graphic Design at Canterbury College of Art.
In 1993 he continued on the topic in his book Information Graphics in Colour.
[citation needed] In the annual Malofiej-competition for information graphics, the highest prize is named Peter Sullivan award.