Oxford English Dictionary [8, 2nbsp;ed.]
Ibid. 92 It is probable that iodine will be found in many combinations in nature. 1826 Henry Elem. Chem. I. 222 Iodine was discovered accidentally, about the beginning of the year 1812, by M. Courtois, a manufacturer of saltpetre at Paris. 1853 W. Gregory Inorg. Chem. (ed. 3) 114 In power of affinity iodine stands below bromine, as bromine does ...