Lewis Henry Isaacs (1830 - 17 October 1908) was an architect and politician. Born in Lancaster, he moved to London to train as an architect. From the early 1850s he designed a number of buildings including Holborn Town Hall, Holborn Viaduct Station and Hotel, the Hotel Victoria, the Carlton Hotel, the Coburg Hotel, Paddington Baths and Wash Houses and the East Library and classrooms at Gray's Inn. Throughout the existence of the Holborn District Board of Works, from 1856-1900, he was the board's surveyor. From 1868 - 1899 he was also surveyor the Honourable Society of Gray's Inn.