Since 2002, Google has been creating custom-made versions of their logo to honour influential scientists, artist, and architects who have left their mark on the world.
See a couple below.
Louis Braille
(1809 – 1852) The inventor of braille, a widely used reading and writing system for the blind and visually impaired (he was blind himself).
Frank Lloyd Wright
(1867 – 1959) American architect and interior designer. The American Institute of Architecture has named him “the greatest American architect of all time”.
Vincent van Gogh
(1853 – 1890) Dutch Post-Impressionist artist and a pioneer of Expressionism. And yes, he’s the one who cut off part of his own ear.
Walter Gropius
(1883 – 1969) German architect, founder of Bauhaus and a pioneer of modern architecture.
Albert Einstein
(1879 – 1955) German theoretical physicist, best known for his theory of relativity but contributed greatly to multiple fields within physics, for which he also received the Nobel Prize in Physics. He is regarded as one of the most influential people in human history.
See the full set at Royal Pingdom.