On 20 May 1570, Gilles Coppens de Diest at Antwerp issued Ortelius's "Theatrum Orbis Terrarum", the "first modern atlas" (of 53 maps). Three Latin editions of this (besides a Dutch, a French, and a German edition) appeared before the end of 1572; twenty-five editions came out before Ortelius's death in 1598; and several others were published subsequently, for the atlas continued to be in demand until about 1612. Most of the maps were admittedly reproductions (a list of 87 authors is given in the first "Theatrum" by Ortelius himself, growing to 183 names in the 1601 Latin edition), and many discrepancies of delineation or nomenclature occur. Errors, of course, abound, both in general conceptions and in detail; thus South America is initially very faulty in outline, but corrected in the 1587 French edition, and in Scotland, the Grampians lie between the Forth and the Clyde; but, taken as a whole, this atlas with its accompanying text was a monument of rare erudition and industry. Its immediate precursor and prototype was a collection of thirty-eight maps of European lands, and of Asia, Africa, Tartary, and Egypt, gathered together by the wealth and enterprise, and through the agents, of Ortelius's friend and patron, Gillis Hooftman (1521–1581), lord of Cleydael and Aertselaar: most of these were printed in Rome, eight or nine only in the Southern Netherlands.