Autograph Letter Signed, explaining that the diptheria bacillus is found in milk “but it is possible that Dowson found a pseudo-diptheria bacillus – such wrong forms are quite common in milk”. 1 page 5 x 4½ inches, laid down. 2 Huntingdon Road, Cambridge, 11 July 1898. Alfred Anthunes Kanthack (1863-1898), a brilliant Cambridge doctor and bacteriologist, who died young of cancer. Professor of Pathology at Cambridge.