He is an authority on the precursors of suicidal behavior.

∫∫∫R∇∧⃑Gdx,dy=∮(∂R)⃑G·d⃑l

So this was my future home, I thought! […] Backed by towering hills, the but faintly discernible purple line of the French boundary off to the southwest, a sky of palest Gobelin flecked with fat, fleecy little clouds, it in truth looked a dear little city; the city of one's dreams.

1815?, Captain Dugald Carmichael, F.L.s., the Rev. Colin Smith [ed.], Biographical Notice of the late Captain Dugald Carmichael, F.L.s., volume 2, >page 343; quoted in: