Alan Fletcher

Alan Fletcher was a partner in his family's company, Crosby Fletcher Forbes. The company was founded by Theo Crosby and Colin Forbes, Architect and Designer, respectively. Their clients were medium-sized.

(Design Museum Website)
He went on to become "one of the most influential figures in British graphic design," as he founded his own companies Fletcher/Forbes/Gill in 1960's and Pentagram in 1970's.
These are some of his projects found on the Design Museum website.

ICI Corporate Magazine, Plastics Today, 1965

Pirelli Slippers, 1962

Pirelli Poster, Made for a double decker bus, 1961
Designers Saturday, 1982
He was responsible for the identities of V and A, Reuters

He was also the creative director of Phaidon, allowing him to make his mark on book design.

Here is another example of his book design for Phaidon.