21. He sees similarities among his approach and the notion of " occasion " of Alfred North Whitehead . 22. In 1997, he defended his doctoral thesis, " Intuition pr?syst�matique et intuition ontologique chez Alfred North Whitehead . 23. As Alfred North Whitehead put it, " It is the business of the future to be dangerous ." 24. It clearly announces Alfred North Whitehead 's. 25. Alfred North Whitehead , in contrast, asked that his Nachlass be destroyed, a wish that his widow carried out.26. In 1910, the first volume of " Principia Mathematica " by Russell and Alfred North Whitehead was published. 27. A short while later, Alfred North Whitehead , borrowing from the ideas of Peano and Grassmann, introduced his universal algebra. 28. Alfred North Whitehead : Essays on His Philosophy ( A Spectrum Book ), Englewood Cliffs, NJ : Prentice-Hall, 1963.29. "' Alfred North Whitehead "'( 15 February 1861 30 December 1947 ) was an English mathematician and philosopher. 30. Both ecological civilization and constructive postmodernism have been associated with the process philosophy of Alfred North Whitehead .
