David Wark, (February 19, 1804 - August 20, 1905) Irish-born, was a prominent CanadianSenator who served nearly 38 years in his elected office. Wark was named Senator by a Royal Proclamation in 1867. Known as the "Grand Old Man of the Canadian Senate", Wark served until his death at the age of 101. At the time of his demise, Wark was the longest lived legislator in the world; he was later surpassed by another Canadian Senator, Georges-Casimir Dessaulles, who died in 1930 at the age of 102.
Wark, DA, and Watson, EB, 2004, Interdiffusion of H2O and CO2 in metamorphic fluids at 490-690°C and 1 GPa, Geochimica et Cosmochimica Acta, 68, 2693-2698, doi:10.1016/j.gca.2003.12.006
Watson, EB, and Wark, DA, 1997, Diffusion of dissolved silica in H2O at 10 GPa, with implications for mass transport in the crust and upper mantle,Contributions to Mineralogy and Petrology, 130, 66-80.
Wark, DA, and Stimac, JA, 1992, Origin of mantled (rapakivi) feldspars: Experimental evidence of a dissolution- and diffusion-controlled mechanism: Contributions to Mineralogy and Petrology, 111, 345-361.
Wark, 70, has spent his professional life rehabilitating the technique of hypnosis as a legitimate therapeutic tool in the arsenal of the practicing psychologist.
It's a stereotype that Wark acknowledges ruefully, even as he is determined to distance himself from the gold-watch-dangling, "your-eyes-are-growing- heavy" clichés of a hundred old movies.
Wark achieved something of a professional breakthrough when he learned about a technique called alert hypnosis, which permitted subjects to receive hypnotic suggestions while fully conscious.