The introduction was recorded by Dr. Ralph B. Peck at his home in Urbana, Illinois on August 20, 1965. Prof. Karl Terzaghi's opening lecture was recorded at Harvard University by Arthur Casagrande on February 4, 1957. The third part is a recording of Dr. Peck's special lecture at the ninth international conference on soil mechanics and foundation engineering in Tokyo, 1977. This tape was given by Dr. Peck to Toshinobu Akagi, whose wish was to publicize this priceless heritage with the hope that "this audio heritage brings moments of reflection to all concerned and serves to provide a better understanding of a vignette of Karl Terzaghi, the Father of Soil Mechanics, which is apparently not known well enough, but is no doubt of vital importance for the future of soil mechanics and geotechnic Show more