Born in Ireland in 1805, Madden was an Officer in the Bengal Artillery between 1830 and 1849. He sent seeds to Glasnevin Botanic Garden in Dublin between 1841 and 1849, and after this collected plants in Aden, Suez, Cairo and Malta. He became President of the Botanical Society of Edinburgh in 1853 and was a Fellow of the Royal Society of Edinburgh.
Source: Desmond
English botanist and taxonomist, Masters was editor of the Gardener's Chronicle between 1866 and 1907.