Theo was the younger brother of Vincent Van Gogh. He worked for the company
Goulpin & Cia first in Brussels and later on in Paris, as previously did
Vincent. The company belong to their uncle.
Theo was the supporter of Vincent during his hard times, specially after
their father died and Vincent decided to live from his art, but could not
because he would not sell any paintings.
Vincent wrote hundreds of letters durings his life, most of them to his
brother Theo and his sister Willemina, who he called Will. Through these
letters we can have a closer idea of the artists life and difficulties
as well as his evolution as an artist.
He sent many sketches to his brother Theo, in total 130, of paintings that he was planning to do later on. Some experts consider this letters with sketches as masterpieces because you can evaluate the idea of the painting from the begining, from the source. He would explain in these letters his animic state, his ideas for work, his reflexions about paint, many important things that are now kept forever for us to know the real Vincent Van Gogh better.
Theo pushed Vincent to dedicate himself to the world of the painting. From his job Theo lived well, what let him help his brother economically, he payed for all the artistic production of Vincent Van Gogh, and the pawned one on exposing it and selling it, sending paintings to the Hall Independent Artists in Paris.