Eugène Leterrier (1843-1884) was a French librettist. He worked at the Hôtel de Ville in Paris but then turned to the theatre. He mainly collaborated in writing libretti with Albert Vanloo. Wikipedia
Leterrier, Eugène (1843–1884)

Eugène Leterrier (1843-1884) was a French librettist. He worked at the Hôtel de Ville in Paris but then turned to the theatre. He mainly collaborated in writing libretti with Albert Vanloo. Wikipedia