Per Kesselmar is an artist who resides and works in Stockholm, Sweden. His primary focus is on light. His oil paintings on Metal surfaces presents layer upon layer of paint, giving the illusion of transparency, light and depth. Note the detail photograph below. Elegant and exquisite work.
There is an exceptional YouTube video about Kesselmar called Extended View that shows his process of painting at: https://www.youtube.com/watch?v=kMOrmj-tmqw