Philipp Wittmann is feeling blessed. He’s fortunate to have been born in Westhofen, where the Wittmann family has been growing wines since 1663. The climate is kind: in the rain shadow of the Donnersberg, warm enough to ripen grapes beautifully, cool enough to slow the process, and fantastic, water-retaining, clayish topsoils with limestone-rich underpinnings play their part. It all conspires to promote the intensity, texture, savoury tones and aromatic allure he’s looking for. It’s also a good time to be flying the flag for terroir-driven…