After Galton's death in 1911, Pearson embarked on producing his definitive biography — a three-volume tome of narrative, letters, genealogies, commentaries, and photographs — published in 1914, 1924, and 1930, with much of Pearson's own money paying for their print runs.
Despois da morte de Galton en 1911, Pearson embarcouse na produción da biografía de Galton —un traballo de tres volumes de narrativa, cartas, xenealoxías, comentarios e fotografías—, publicada en 1914, 1924 e 1930, con financiamento persoal de Pearson para a impresión.