FOREWORD 
undertake the work, and then he did so under 
protest. 
It may be asked with pertinence how a man 
could travel in the interest of one line and 
yet be in possession of so much information 
relating to every other line; or how one could 
master the intricacies of foreign banking and 
credits and still attend to his business. The 
answer to all of this is that no man can suc 
cessfully negotiate foreign markets unless he 
is more than a mere “order taker.” As to the 
doctor’s ability to measure the requirements 
of a market all the way from cereals to con 
crete, that may be accounted for by the fact 
that he is both a physician and a graduate of 
the law, and while he never practised at the 
bar to any great extent he did have consid 
erable experience in medicine, a profession 
which developed a naturally analytical mind, 
so that he looked at things with the eyes of a 
student and from the viewpoint of the trained 
diagnostician. For six years he followed 
medicine in Latin America, finally giving it 
up to accept an offer from a large company