Bauhaus-Universität Weimar

Reports of Visits to Foreign Laboratories, vol. 7 (1932-33) [Illustrated Typoscript in 7 volumes] Reproduced with the kind permission of Dr. Cecil E. Leith
Benedict, Francis Gano
Kaiser-Wilhelm Institut für Pathologie. 
Professor L. Krehl. 
I was astonished to find Professor Krehl in as good condition 
as he was. The evening before we had been at his home with an 
assistant, Dr. Schenk, and there he was just as full of enthusiasm 
as ever, and has great plans for the future. He is a man of 71 years 
or more and has had several grave illnesses, and I believe he is 
afflicted with stomach ulcers and has been through rather serious 
surgical operations. 
There are at present no patients and all the work is on animal 
experiments except a certain amount of cancer tissue obtained from 
the hospital. There is a respiration apparatus for dogs, with water 
bath enabling one to raise the temperature to 44° C. (See figure M/ .) 
There is what I think is the only existing one of its type, a 
Rubner calorimeter in its original form with small spirometers and 
every connection. (See figures/-?^, 1331 \3L\i and I3S,) Krehl was 
of course associated with Rubner in Marburg and hence has always 
been very keen about Rubner’s ideas and plans. He had had this 
calorimeter a long time and, as I understand it, only recently got it 
in order. He and a number of others spent about a year putting it in 
order. To me it seemed like love’s labor lost, for I can’t imagine 
doing much with it. He had an interferometer of Zeiss and the 3-meter 
length tube which apparently he thought was going to function 
satisfactorily for extremely accurate gas analysis. (See figures 13(t 
and M7 .) No definite results thus far had been obtained with it. 
The remainder of the building is reserved for an experimental 
hospital with 12 beds. In addition to the 12 beds, he must have 
nurses' rooms, kitchen, laboratory, etc. Already they are too crowded 
in the building since they have not used this section. This hospital 
section is not furnished, but they have applied for $120,000 from 
the Rockefeller for 12 beds. They have left a space for a Grafe-Jaquet 
chamber for man. 
Here is a very fine group of men, very active, but one can not 
but think what will happen to a man starting in on this new project 
at 71 or more years. There is the problem of who will carry on for 
the next few years, for example.


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