Robert graves: Did you mean...?

An engraving portrait of Robert Boyle (1627-1691), the Anglo-Irish chemist, physicist, and experimental philosopher. In the background is the scientist's celebrated air pump.

Robert Guiscard (c. 1015-1085) is proclaimed Duke of Apulia, Calabria, and Sicily by Pope Nicholas II, illustration from the Nuova Cronica of Giovanni Villani, 14th century.

A portrait by Nathanial Dance of Robert Clive (1725-1774), Governor General of Bengal and representative of the East India Company. Known as 'Clive of India' for his expansion of EIC interests in the subcontinent, the military commander and...

A painting titled Valkyrie's Vigil created by the painter Edward Robert Hughes before 1915. Valkyries were key figures in various Norse sagas that were present in Prose Edda, the Heimskringla and the Njáls Saga. They were maidens whose role...

Robert Guiscard and Count Roger, the oldest and youngest Hauteville brothers of Tancred de Hauteville's second marriage. Often working together, they both played major roles in the Norman conquest of Southern Italy and Sicily during the 11th...

The great seal of Robert II of Scotland (r. 1371-1390 CE).

Portrait of Robert Koch (1843-1910), published in 1907 in Les Prix Nobel.

A 16th-century manuscript illustration showing Robert II of Scotland (r. 1371-1390) and his second wife Euphemia, Countess of Moray. From the Froman Armorial. National Library of Scotland, Edinburgh.

Robert E. Lee (center) with his son Custis Lee (left) and aide Walter H. Taylor (right), photograph by M. B. Brady & Co., April 1865. Library of Congress, Washington, D.C.

The Tudor gatehouse added to Kenilworth Castle in Warwickshire by Robert Dudley, 1st Earl of Leicester (l. c. 1532-1588 CE).