Apparently Charles Darwin carried on an extensive correspondence about lice! Alas, his hand writing is 💩 #LiceLiceBaby
In case you also want to attempt to read Mr. Darwin's handwriting: https://www.darwinproject.ac.uk/
Darwin Correspondence Project

Read and search the full texts of more than 12,000 of Charles Darwin’s letters, and find information on 3,000 more. Discover complete transcripts of all known letters Darwin wrote and received up to the year 1878.

Darwin Correspondence Project