Bauhaus-Universität Weimar

Reports of Visits to Foreign Laboratories, vol. 4 (1923) [Illustrated Typoscript in 7 volumes] Reproduced with the kind permission of Dr. Cecil E. Leith
Benedict, Francis Gano
Professor Bülman 
I hoped, to meet Professor Bülman in the chemical laboratory of the 
University of Gopenhagen, but he was away. He is the man who has done 
considerable work with the hydrogen-ion concentration (I believe he has 
had some controversy with Sorensen). He has worked out a very clever 
method, using hydrochinone and then getting a reaction, which ha3 proved 
of great value in this work. 7/e have reprints which cover the details 
of this point. 
Agricultural Bxneriment Station. 
Dr s. A. G. Andersen and H. iipllgaard. 
On my first visit to the Agricultural Rrperiment Station I met only 
Dr. A. G. Andersen, who is in the chemical department now, having given 
up his work with the respiration apparatus in association with Dr. Li^llgaard. 
In discussing affairs with Andersen, he thought that the calorific value 
of oxygen must be considerably different when methane is formed, perhaps 
5.26. Owing to his tremendous tasks now in food control laws, I feel as 
if this very bright man is lost to research. He finds that the basal 
metabolism or "Urhaltungsumsatz" is a straight line, and it continues in 
a straight line as food is given, until double food is given. But he finds 
that with certain feeds and with dry feeds it is not in a straight line, 
and he thinks it is due to the low nitrogen in beets. This i3 taken up 
in some of their publications, unfortunately in Danish. It was difficult 
to follow him, but he is much impressed with the idea that Kellner's 
"Staerkewert" i3 all right. I had a groat deal of discussion with him on 
the calculation of heat from gas analyses, and his recent paper in the 
Biochemische Zeitschrift. Ho is a very bright man and I feel as if he is 
a great loss to the work on the metaDOlism of ruminants, as formerly 
carried out. A photograph was taken of Dr. Andersen at his desk (see 
figure 58).


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