In order to support himself, outside of his work with the British Mineralogical Society, the London Institution and the Geological Society, Aiken worked as a writer, translator and lecturer to the public and to medical students at Guy's Hospital.
Demi mendukung dirinya sendiri, di luar aktivitasnya dengan British Mineralogical Society, London Institution, dan Geological Society, Aikin bekerja sebagai seorang penulis, penerjemah dan pengajar untuk umum dan pelajar kedokteran di Guy's Hospital.