高振宇

Based on the available sources, no biographical information about Gao Zhenyu (高振宇) as a Yixing pottery artisan could be extracted from the provided book content. All source pages appear to be blank or contain no visible text related to this artisan.

Without access to the actual content from these pages, it is not possible to provide details about Gao Zhenyu's life, work, or contributions to Yixing pottery. The artisan may be mentioned in the book, but the specific page content was not included in the query.