His father, a native of Minden in Westphalia, was a member of Lloyd's, and the young Niemann entered that establishment as a clerk at the age of thirteen.
A number of his paintings sre held by the Woverhampton Art Gallery
He died suddenly on Brixton Hill of apoplexy near his home "The Glebe"
Many of his works were exhibited at the opening of the Nottingham Museum and Art Galleries in 1878. The Victoria and Albert Museum has a landscape by him, Amongst the Rushes, and four drawings in watercolours. A View on the Thames Near Maidenhead is in the Walker Art Gallery, Liverpool.
Source extracts: R. E. Graves and Mark Pottle