Nicholas Saunderson, L.L.D., late Lucasian Proffessor of mathemaitics in Cambridge ([1745?])
George Bidder, of Devonshire, aet.13 whose extraordinary power of calculation developed itself without instruction & reached an unprecedented height before he attained his seventh year: from a ... (1819)
George Bidder, the calculating phenomenon of England: who at 8 years of age & having received no instruction in arithmetic possessed the power of resolving difficult arithmetical questions without ... ([1815?])