122: A remind point...

X was a painter famous for his paintings, which consisted of white back ground, upon which was painted a grid of vertical and horizontal black lines and the three primary colors. These paintings inspired the designs for the uniform of the cycling team (b).
Y designed his 1965 collection (b) based on the X's paintings which proved to be quite popular.

Identify X and Y.

(a)

(b)

cracked by navin and v. chandrashekar.

answer is piet mondrian (X) and yves sain laurent (Y). the title is an anagram of piet mondrain.