The Chemist 2. Roussin (1827-941 Now we rarely perpetuate the memory of a chemist by naming a compound after him, hut I wonder who would he aware of the French chemist Raussin had he not given his name to two salts he discovered: Roussin's black and red salts. Both are nitrosyls of iron-sulfur clusters of formulas K[Fe4(N0)7S3]and K2[Fe2(NO)&]. Although these particular compounds are laboratorv,curiosities. the" each contain an iron-sulfur cluster and such clusters are of ereat bioloeical interest. Rwssm was born at &nda-hl"dins. llle-et-Vilnlnr on Scptemher fi. 1827. He studiri pharrnne;: in Hcnnes and wnq for inoil t ~ hii f life a pharmacivt in the French army. He dlrd in Paris on Aprd A. 1891. In hi5 spare timc he carried
