"Hans Ditlev Franciscus (Frants) von Linstow (4 May 1787 – 10 June 1851) was a Danish-born, Norwegian architect. He was one of the more significant architects in Norway during his lifetime. He is well known to have designed the Royal Palace in Oslo and much of the surrounding park and the street Karl Johans gate." - (en.wikipedia.org 07.06.2020)
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