 Complete the following phrase:  French graduated from TCD as a civil engineer in 1881 and joined the Board of Works in County Cavan as an Inspector of Drains. It is said that he wrote his best songs during this period. He also painted: French was a prolific painter of landscape watercolours, and during this period considered art to be his true vocation. In fact, when he became well-known later in his life, his paintings from his time as a civil engineer became fashionable and sought after. The volcano 