was a Japanese

Japanese people

The are an ethnic group originating in the Japanese archipelago and are the predominant ethnic group of Japan. Worldwide, approximately 130 million people are of Japanese descent; of these, approximately 127 million are residents of Japan. People of Japanese ancestry who live in other countries...

 painter of the Shijō school

Shijo school

The Shijō school , also known as the Maruyama-Shijō school, was an offshoot school of the Maruyama school of Japanese painting founded by Maruyama Ōkyo, and his former student Matsumura Goshun in the late 18th century. This school was one of several that made up the larger Kyoto school...

 during the Edo period

Edo period

The , or , is a division of Japanese history which was ruled by the shoguns of the Tokugawa family, running from 1603 to 1868. The political entity of this period was the Tokugawa shogunate....

.

Mori Sosen is famous for his many paintings depicting monkey

Monkey

A monkey is a primate, either an Old World monkey or a New World monkey. There are about 260 known living species of monkey. Many are arboreal, although there are species that live primarily on the ground, such as baboons. Monkeys are generally considered to be intelligent. Unlike apes, monkeys...

s and other animals. Robert van Gulik

Robert van Gulik

Robert Hans van Gulik was a highly educated orientalist, diplomat, musician , and writer, best known for the Judge Dee mysteries, the protagonist of which he borrowed from the 18th-century Chinese detective novel Dee Goong An.-Life:Robert van Gulik was the son of a medical officer in the Dutch...

 called him "an undisputed master" of the painting of the Japanese macaque

Japanese Macaque

The Japanese macaque , historically known as saru , but now known as Nihonzaru to distinguish it from other primates, is a terrestrial Old World monkey species native to Japan....

. When a gibbon

Gibbon

Gibbons are apes in the family Hylobatidae . The family is divided into four genera based on their diploid chromosome number: Hylobates , Hoolock , Nomascus , and Symphalangus . The extinct Bunopithecus sericus is a gibbon or gibbon-like ape which, until recently, was thought to be closely related...

 was brought in Japan by the Dutch in 1809, creating somewhat of a sensation (gibbons had long been depicted by Japanese artists, based on Chinese paintings of the animal, but no one in Japan had seen a live gibbon for centuries), it was Mori who had created a graphic record of this event as well.

It is unknown whether he was born in Nagasaki or Nishinomiya, but he lived in Osaka

Osaka

is a city in the Kansai region of Japan's main island of Honshu, a designated city under the Local Autonomy Law, the capital city of Osaka Prefecture and also the biggest part of Keihanshin area, which is represented by three major cities of Japan, Kyoto, Osaka and Kobe...

for most of his life.