Hyginus Gromaticus, was a Latin writer on land-surveying, who flourished in the reign of Trajan

Trajan

Trajan , was Roman Emperor from 98 to 117 AD. Born into a non-patrician family in the province of Hispania Baetica, in Spain Trajan rose to prominence during the reign of emperor Domitian. Serving as a legatus legionis in Hispania Tarraconensis, in Spain, in 89 Trajan supported the emperor against...

 (AD 98–117). Fragments of a work on legal boundaries attributed to him will be found in C. F. Lachmann, Gromatici Veteres, i. (1848).

A treatise on Roman military camps

Castra

The Latin word castra, with its singular castrum, was used by the ancient Romans to mean buildings or plots of land reserved to or constructed for use as a military defensive position. The word appears in both Oscan and Umbrian as well as in Latin. It may have descended from Indo-European to Italic...

 (De Munitionibus Castrorum), was formerly attributed to him, but is probably of later date, about the 3rd century AD. (ed. W. Gemoll, 1879; A. von Domaszewski, 1887) and is now attributed to "Pseudo-Hyginus

Pseudo-Hyginus

De Munitionibus Castrorum is a work by an unknown author. Due to this work formerly being attributed to Hyginus Gromaticus, its author is conventionally called "Pseudo-Hyginus". This work is the most detailed description that survives about Roman military camps De Munitionibus Castrorum (About the...

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