1832-1914 1841-1901 1899-1902 1914-1918 biography concentrationcamps d'albertis destructionandpillage discoveryandexploration explorers fredericksleighroberts greatbritain hargrave horatioherbertkitchener kitchener lawrence luigimaria papuanewguinea posterskitchener roberts southafricanwar worldwar worldwar(1914-1918)