C. Lafkas: Current and potential demands of man for the common materials of this earth, facts underlining the need for new thinking and decision-making.
R.N. Henriksen: Either growth or decline is virtually inevitable; growth is desirable if the race is to find a cosmic destiny. The interplanetary space will be compared with other possibilities for absorbing this growth.
R.G. Lipsey: This lecture discusses the economic organization of society from the earliest times to the present. The place of money and the functionings of a free market society and the price system are emphasized. Some current and future policy problems are also discussed.