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
University of Basel. Physiological Institute. 
Professor F. Verzar. 
It was a great delight to see Verzar in Basel. (See figures /^7, 
I'S'Zf and 1^3. ) I have always had a profound respect for this man 
and his great ability and variety of interests ever since I met him 
many years ago at Tangl's laboratory. Now he is settled at Basel 
and apparently contented, and I inferred from the colleagues with 
whom I talked that he is highly esteemed in the community. 
He is doing much work on rats and all measurements must be made 
at 28° C. Verzar states the animal must fast 20 hours or longer, 
but he uses 6-hour periods and claims that the animal remains quiet. 
The rats are in a covered box. Verzar uses the closed-circuit method 
but weighs the carbon dioxide. There was a rather ingenious 
arrangement of four spirometers with four different apparatus 
writing on one kymograph, the spirometers being placed around the 
kymograph at equal distances. (See figure He notices a great 
difference in the females during the oestrous cycle. This effect, 
too long neglected, is very pronounced. 
I found a great many kinds of research in progress in Verzar's 
laboratory. While he is primarily a physiologist he insists on 
having a chemical laboratory in connection with his physiological 
researches, so he has a good chemical laboratory with a number of 
chemists working on problems. He is an extremely keen man but I did 
not think his human respiration apparatus was at all good. There 
seemed to be a very large dead space with Lowen valves and there was 
one modification of a Roth-Benedict spirometer. 
I think Verzar is a great success. On a former occasion I heard 
very serious criticisms of Verzar which annoyed me a great deal, 
but I think he is a very stimulating man and I recommend everybody 
to visit his laboratory.


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