by Jack P. OostveenScientific and Practicing Civil Engineer
Emeritus Ass. Professor on Soil Mechanics and Foundation Engineering
Emeritus Guest Professor on Problem Solving Theory and Training
President of the International Federation Una Voce 2006-2007
Vice-President of the International Federation Una Voce 2005-2006 / 2007-2013
The essay, which is more than 18 thousand words long, can be read online at http://www.ecclesiadei.nl/docs/clarity.html or downloaded as a .pdf file.