biography of osen keisan (1751-1828) osen keisan, a renowned japanese artist, was born in osaka in 1751 and remained active until his passing in 1828. during the late edo period, he left an indelible mark on the world of art with his captivating paintings and prints. early life and training osen keisan's artistic journey began under the tutelage of maruyama okyo, a prominent figure in japanese art. this mentorship not only honed his skills but also instilled in him a deep appreciation for the intricacies of realistic style, which would later become his hallmark. artistic style and themes keis…