NIH Almanac (1997)

Year	Commissioned	Professors	Other scientific and technicians	Nonscientific	Total
1909	9	3	13	28	53
1910	11	2	12	28	53
1911	13	3	12	27	55
1912	12	3	12	29	56
1913	17	3	11	32	63
1914	22	3	11	35	71
1915	14	3	13	34	64
1916	13	3	22	31	69
1917	16	3	23	36	78
1918	13	3	39	37	92
1919	13	3	38	42	96
1920	13	3	37	50	103
1921	10	3	39	75	127
1922	17	3	45	65	130
1923	10	3	52	56	121
1924	11	3	51	48	113
1925	14	3	49	50	116
1926	13	3	47	51	114
1927	15	3	43	53	114
1928	13	3	45	57	118
1929	12	3	51	62	128
Source: Victor H. Kramer, The National Institute of Health: A Study in Public Administration, (New Haven, Conn.: Quinnipiack Press, Inc., 1937), p. 82.