6 PREFACE 



for assistance and all of whom with one exception 

 formed a committee to associate me officially with 

 one of the hospitals in Liverpool, apparently be- 

 came alarmed, and, before any one had had time 

 to study the work fully, wrote a letter to the 

 medical journals disclaiming all responsibility for 

 my statements. The disclaimer was unfortunately 

 worded, because, since those who signed it omitted 

 to mention that most of them formed my com- 

 mittee, it seemed to imply that I had deliberately 

 exploited their names without any authority or 

 without knowing them which, of course, was not 

 correct. Those who signed the letter are gentle- 

 men eminent in Science, and it has therefore had 

 a most detrimental effect on the trial of the new 

 method by others, and on the consideration of the 

 researches by those who have not yet seen the 

 actual experiments themselves. In the United 

 States especially, a country which I have recently 

 visited and where I was privileged to describe and 

 demonstrate some of the experiments at the most 

 important Eesearch Institutes at Philadelphia, 

 New York, Buffalo, and Chicago, and where every 

 facility was afforded to me to explain the methods, 

 while I was received most cordially, yet I found 

 at the outset a tendency to scepticism in many 

 cases attributable to the disclaimer ; in fact, some 

 of the medical journals went so far as to refer to 

 the words of my committee and then to condemn 

 our work. 



It seems that anything written about the cancer 

 problem is inclined to excite suspicion. Apart 

 from the extremely complex nature of the 

 scientific problem itself, a worker in it is beset 



