Vincent van Gogh is noted as one of the foremost users of which painting technique?

Too bad we did not have the proper methods or treatment for mental illness .unfortunately tiday ,Mental illness is off the charts in my native land .

Very productive last 2 years!

The first time I saw his art in person and up close was at the Orsay and it brought me to tears. Stunningly beautiful, an emotional experience, I felt like I could see his pain. I love his art.