Derek Lowe is an extremely well-known and widely respected expert in the field of pharmaceutical drug discovery chemistry.
His series "In The Pipeline" has a cult following of experts and non-experts alike.
He is widely regarded as an authority on the chemistry of Alzheimer's.
For a fun introduction to his work, the "first hit is free" dopamine rush is his "Things I Won't Work With", a masterclass in bringing chemistry to life through the lens of synthesis actively dangerous to person and property.
You'll be up all night.