Hannu Ahokas, born in 1947, is a plant geneticist, retired research specialty from the Agrifood Research Finland. He got a PhD degree from the University of Helsinki in 1984. His non-professional botanical and geological excursions and sample collecting for over 30 years led to the explorations dealt with in the book, with international collaboration. As an output in genetics, he detected in 1976 a cytoplasmic male sterility system in barley enabling mass hybridization, being commercialized to produce winter-barley hybrid-cultivars in Europe since 2002.Dr. E.L. (Liz) Chamberlain is an Assistant Professor at Wageningen University, the Netherlands, and a 2021 International Association of Sedimentologists awardee for outstanding work in marine sedimentology. She obtained her education at Tulane University and Louisiana State University, both situated in the beautiful Mississippi Delta, U.S. Her ongoing work explores geomorphology and human-landscape dynamics in coasts and deltas worldwide including those of Bangladesh, Peru, and the Netherlands.Mark Bateman is a Professor in Palaeoenvironments at the University of Sheffield where he has conducted research for the last 30 years. He has a BSc in Geography from the University of London and a DPhil from the University of Sussex. He has over 200 publications in his research area of the use of sediment archives and luminescence dating for a better understanding past depositional processes and environmental changes. In 2018, he was awarded the Sorby medal by the Yorkshire Geological Society.
