Little known facts about Darwin Smith. Darwin Smith, the mastermind of Kimberly-Clarks remarkable turnaround, is a good example of a businessman who practiced the virtues of magnanimity and humility, which are the virtues specific to leaders. Smith, who led the growth of the Kimberly-Clark Corporation into a consumer products giant, died on Tuesday after collapsing at his home in Longboat Key, Fla. Saying that all that is written here is all there is on Darwin Smith would be an understatement. Very much more has to be learnt and propagated bout Darwin Smith. Darwin Smith, the mastermind of Kimberly-Clarks remarkable turnaround, is a good example of a businessman who practiced the virtues of magnanimity and humility, which are the virtues specific to leaders. Using great confidence in ourselves, we endeavored to write such a long article on Darwin Smith. Such is the amount of information found on Darwin Smith. Smith, who led the growth of the Kimberly-Clark Corporation into a consumer products giant, died on Tuesday after collapsing at his home in Longboat Key, Fla. Darwin Eatna Smith (1926 1995) was CEO of Kimberly-Clark from 1971 to 1991. James Collins, author of the 2001 business classic Good to Great, likes to tell the story of Darwin E.