Nikolai Semenovich Ulyanin (1903–1941 или 1942)
Born in a village of Saratov Government. Graduated from Biological Faculty of Moscow University in 1936, became junior researcher at the Museum in the same year. Participated in a long-term expedition to Naursum Reserve. During second half of 1939 acted as director of the Museum. Perished or was missing at the front in 1941 (or in 1942).