Valdemar Poulsen, popularly known as the Danish Edison, invented the first answering machine, by capturing sound on piano wire with magnetic recordings in 1898. Following the invention a flexible tape with magnetic coating was first patented by the German engineer Fritz Pfleumer in 1929.
Pfleumer also built the first tape recorder in the modern sense in 1935. By the end of the Second World War, high quality tape recorders were made in Europe and the US also.
Masura Ibuka, a Japanese electronics industrialist and co-founder of Sony, introduced the first walkman. The Sony Walkman went on sale in 1979.
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