Like most good conservative thinkers, he’s no longer with us. I recommend him because he’s not overtly political. The best conservative thinkers stay out of the boring political quarrelling, IMO.
Others still alive worth reading include:
- Douglas Murray
- Patrick Deneen
- Theodore Dalrymple
- John Gray (although not easily categorized as a conservative)
- Sohrab Ahmari (although if you are averse to religious discourse, perhaps not)
For libertarianism maybe read Reason. For the neo-cons it would be the National Review, for paleo-cons, the American Conservative. For the business or free market conservatives, the Heritage Foundation or AEI. For unabashedly pro-Trump conservatives, it would be the American Spectator. For the religious right, no idea what you would read there.
It's very different from the left wing stuff I read in that the right-wing groups mainly have a single thread in common, a skepticism of centralized government control, whereas the liberal sources that I read all seem to share more of a common ideology.
Thomas Sowell
Kori Schake
Jeff Flake
And almost anyone who has resigned in protest from the current US administration: Mattis, McMaster, ...