Painting by Leo Klein of Rotterdam, oil-pastel, 27" x 38.5", unframed. Dutch artist and educator, Leo Klein, was born in 1928 and did not start painting professionally until his retirement from full-time teaching at the Rotterdam Waldorf School. Leo is a self-taught artist who exhibits widely in the Netherlands and North America. His work is found in private collections in many countries. Leo spends a few months in the US each year traveling, giving talks and conducting painting workshops. He also works with teachers and parents in schools across the country.