Several famous twentieth-century graphic designers were from Switzerland. Which Swiss designer created the Univers typeface?

AAdrian Frutiger
BErnst Keller
CTheo Ballmer

Verified Answer :

I believe the correct answer form the choices listed above is option A. The Swiss designer who created the Univers typeface would be Adrian Frutiger. He  is a typeface designer who influenced the direction of digital typography in the second half of the 20th century and into the 21st.

in PLATO the answer is A=Adrian Fruiterer