The work was carried out by the Tata Institute of Fundamental Research led by Komaravolu Chandrasekharan.
[1] The total number grew to over 10 000 in the third edition, which contained for the first time a list of mathematicians of the Soviet Union, on which there were well over 2000 names.
Masayoshi Nagata took up the task and the sixth edition was published after a delay of one year.
[3] The publication was stopped after the twelfth edition due to the lack of sales, the high production cost and the rise of the internet.
[5] Two online directories were provided on the IMU website afterwards as a replacement of the paper version, but they were felt to be irrelevant and were retired in 2011.