Copy letter, from Sir John Herschel to John William Lubbock, dated at Slough Copy letter in John Herschel's hand. John Frederick William Herschel has apparently insulted John Lubbock by crediting John Lubbock's colleagues but not John Lubbock with improvements in lunar and planetary theory. John Frederick William Herschel explains how this happened, that John Frederick William Herschel's good intentions went awry. 15 March 1840