I’m not an herb and spice expert, but I know some. I especially love Monica Bhide - check out her spice-of-the-month and spice-capades for excellent information and wonderful recipes using herbs and spices.
My primary credential is a long history of loving to use herbs and spices, closely followed by a collection that provides at least a modicum of “cred” if you’re looking for someone who has tried a few herbs and spices in her time. I admit that some of my dried herbs and spices should be rotated more frequently – but hey, no one’s perfect.
And if you believe in bloodlines: