He started to paint as a teenager, a little before the 21st century.
It was painted a year before his death, in 1862, most probably for a private collector.
Paint me a small railroad station then, ten minutes before dark.
It was painted before his first attack at the asylum.
"No, I will not do that," she said, facing a blue line which was painted on the ground before her.
Because so many of the portraits show young people, there was always speculation about whether they were in fact painted before death.
Experts believe it is the last self-portrait he painted before his death in 1890.
So sudden it seemed this tragic vision painted before my eyes.
He retired from painting some years before his death.
Nikel continued to paint until just a few days before her death in September 2005.