Bengt Beckman

Bengt Beckman was a Swedish mathematician, university professor and bestselling author.
He worked as a research engineer at Tandem laboratory in Uppsala, Sweden. As an author, he wrote about cryptography in Sweden, particularly about Arne Beurling.

Publications

Some of his books and papers are:Swedish cryptography achievements, Bonniers, 1996, The world's first encryption machine - Gripenstiernas cipher-Machine 1786, the National Defense Radio Establishment, Bromma, 1999Thus the Z machine was broken - reconstruction of the Lorenz SZ40 / 42, the National Defense Radio Establishment, Bromma, 1999Swedish Signal Intelligence: 1900-1945, Frank Cass Publishers, 2002, In front of your eyes - drawings and comments, Johanneshov, 2010