Pierre Restany (22 June 1930 – 29 May 2003), was an internationally known French art critic and cultural philosopher. Restany was born in Amélie-les-Bains-Palalda, Pyrénées-Orientales, and spent his childhood in Casablanca. On returning to France in 1949 he attended the Lycée Henri-IV before studying at universities in France, Italy and Ireland. From their first meeting in 1955, Restany maintained a strong tie with Yves Klein (to whom is attributed Klein-blue). Conceptions of New Realism / Nouveau Realisme.
https://en.wikipedia.org/wiki/Pierre_Restany