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APPENDIX 
Professor Clark must always be entitled to the honor which comes from 
having conceived that plan, devised the method of its execution and started 
it on its way. The industry, the scholarship, the untiring zeal of Professor 
Shotwell, are making this great plan his own, as well as Professor Clark’s; 
but Professor Shotwell would be the first to insist on saying now that it 
was Professor Clark’s authority, genius and insight which made the plan 
originally possible. So whether I allow myself to speak of this great and 
noble American gentleman as an academic authority and scholar in his 
field, or whether I add an appreciation from the viewpoint of those who 
are associated with him in the large international work to which I refer, 
it all comes to the same thing. We are celebrating the achievement and 
the personality of a captain of the mind; and few things could be more 
worthy and few things more necessary in this modern world of ours. 
One of the curious things about the mind is that it works less obviously 
now than it used to do. There did not use to be much of anything except 
mind, and everyone could see it and its manifestations. In the last three 
hundred or four hundred years there have come to be so many other things, 
that the mind may work pretty vigorously, pretty powerfully, and yet be 
like an Arizona river, fertilizing but out of sight. Here is a case where in 
the world of scholarship, in our American life, we have produced on 
American soil and by our own training and own opportunities, this captain 
of the mind. That he is eighty years of age surprises me. I suppose it 
must be a fact, because I am assured that figures do not lie; but I wonder! 
His mind has all the elasticity, the originality, and the vivacity of youth. 
As one of his oldest friends and associates, one of those most closely 
associated with him through the years, and one who is proud and yields 
to no one in his pride to salute him as he crosses what Professor Burgess 
calls the frontier of the eighties, I can only hope and pray that his physical 
strength may keep pace with that mind of his to the joy of us all and to 
the service of his fellows and of mankind. 
The Chairman 
When, between thirty and thirty-five years ago, Professor Burgess and 
his younger colleagues decided that the time had come to add to our 
numbers at Columbia, we cast about to see who the young men were,—for 
there were no available older men in the field—who gave promise of 
achievement in economics and social science. We finally hit upon two 
young men at a little place in Massachusetts who had begun to pay atten- 
tion to the newer developments in business and in industrial life, and 
especially to the problem of the trusts and the control of these huge 
aggregations. We found that these two young men were working together 
in preparing a series of studies on what they called competition and 
cooperation. It was our good fortune within a very short time to be able 
to invite both of these young men to come to Columbia, and ever since 
that day they have been engaged in cooperation and competition. They 
have cooperated with each other and with the rest of us in trying to build 
up the faculty of political science at Columbia and in developing the