“…Florian Cajori [15] pointed out that the method was anticipated by Paolo Ruffini [68; 69], in Italy. Long before then related techniques were known to Chinese and Arabic writers; see for example, Martin Nordgaard [60,[54][55], Paul Luckey [48; 49], Adolf Youschkevitch [45, 41-48, 242-248; 81, 76-80, 169], Youschkevitch and Boris Rosenfeld [82], Carl Boyer [10,[268][269][270], Ulrich Libbrecht [46,, Roshdi Rashed [65], and Lennart Berggren [7,[48][49][50][51][52][53][54][55][56][57][58][59][60][61][62][63].…”