1911年愛媛県生まれ。東京電気専門学校卒業。1935年に理化学研究所に入社。1936年、パーレットカメラ同人会のメンバーとして写真家活動を開始し、作品を多くのサロンや国際的写真雑誌に発表。ロンドン・パリのサロンで数点が入選、雑誌アメリカン・ポピュラーフォトグラフィー、フォトモンドのコンテストに入選。その後、全日本写真連盟や東京写真研究会での活動を通して日本のアマチュア写真家育成に携わる。1958年に旭光学に入社し、東京サービスセンター所長に就任。1969年5月逝去。1950年代に“Subjektive Fotografie”（主観主義写真）を提唱したドイツ人写真家のオットー・シュタイナートによって広く世界に知らしめられ、現在も国内外で評価されている。
Kyoshi Niiyama was born in Ehime Prefecture, Japan in 1911 and graduated from Tokyo Denki Senmon Gakkō (Tokyo Institute of Electricity). In 1935, he joined Rikagaku Kenkyusho (RIKEN) and in the following year, began his photographic career as a member of the Pearlette Dōjinkai (Pearlette Camera Coterie) and published his work in various salons and international photography magazines. Several of his works were selected for the London and Paris Salons, and for contests in the magazines: American Popular Photography and Photomonde. He later became involved in the development of amateur photographers in Japan through his activities with the All Japan Photographic League and the Tokyo Photographic Society. In 1958, he joined Asahi Kogaku (Asahi Optical Co., Ltd.) and became the director of the Tokyo Service Center. He passed away in May 1969. The German photographer Otto Steinert, who advocated "Subjektive Fotografie" (Subjective Photography) in the 1950s, made his work widely known throughout the world, and it is still appreciated today both in Japan and abroad.
www.kiyoshiniiyama.com
www.niiyamas.net
