Otto Hilger (1850-1902), scientific instrument maker
1850 Born in Darmstadt, Germany
1871 Johan A. Hilger 32, living in Whitechapel, a Philosophical Instrument maker, with his daughter, Pauline J. M. Hilger 5, his wife, Margaret F. Hilger 27, and his brother, Otto Hilger 21[1]
1883 An astronomical instrument maker. Naturalised as a British subject.
1883 Married Sophie Haas
1891 Otto Hilger 46, Superintendent Science Dep. Blythswood, Paisley, with Sophie Hilger 27, his wife, Paula Hilger 7, Elsa Hilger 5, John Hilger 4[2]
1897 Took over the Adam Hilger business on the death of his brother
1901 Scientific instrument maker and employer, living in St Pancras with Sophie Hilger 38, Pauline Hilger 16, Elsa Hilger 15, John A Hilger 13[3]
1902 Died in London