SPECIAL ISSUE HONORING THE MEMORY OF PROFESSOR JOHN H. WRENN – AN INTRODUCTION

This special issue of Palynology honors the memory of John H. Wrenn. Each contributed paper has been written by at least one author who regarded John as a colleague or friend. It is singularly fitting that AASP–The Palynological Society’s own journal should publish this collection of papers, as John was deeply committed to the American Association of Stratigraphic Palynologists (AASP, the previous name of our society) for much of his professional life.

John’s involvement with AASP began in 1986 when he organized and chaired the First Symposium on Neogene Dinoflagellate Cyst Biostratigraphy during AASP’s 20th Annual Meeting in New York...