Henderson, Thomas, astronomer, born at Dundee, astronomer first at the Cape and then Astronomer-royal for Scotland, calculated the distance of the nearest fixed star [Greek: alpha] Centauri and found it nearly 19 billions of miles from the sun.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Henderson, Alexander * Hengist and Horsa