2017 Speaker Series Friday, June 30 Across the Atlantic with DRAGON HARALD HÅRFAGRE 9:30 a.m., Masin Room, North Entrance — Capt. Björn Ahlander In 2016, the largest Viking ship reconstruction ever built sailed from Norway to North America. She’ll be at Chubb’s Wharf throughout the WoodenBoat Show. Hear about her challenging Atlantic passage from her captain. “Tides: the Science and Spirit of the Ocean” 11 a.m., Masin Room, North Entrance — Jonathan White After his wooden schooner ran aground in Alaska, Jonathan White vowed to understand the workings of the tides. Hear about his enthralling journey of research and discovery, which resulted in his 2016 book. The Story of MAYFLOWER II 1:30 p.m., Masin Room, North Entrance Sixty years go, MAYFLOWER II sailed from England to the United States, and at the time she was, and she remains, one of the most successful ship reconstruction projects ever done. Hear about her historic voyage. Saturday, July 1 Around the World at 80 Years 9:30 a.m., Masin Room, North Entrance &mdsah; Jack Van Ommen In a Naja 30 sailboat he built himself from a kit, Jack Van Ommen started sailing the world solo in 2005 at age 68. Now 80, he is still going strong. His is a story of faith, shipwreck, perseverance, and redemption. Planetarium Presentation — The Tides 11 a.m., Treworgy Planetarium — Jonathan White To help explain the extremely complex interrelationships between the the tides and celestial movements, “Tides” author Jonathan White draws on the resources of Mystic Seaport’s Treworgy Planetarium. Kids, Boats, and Math 1:30 p.m., Masin Room, North Entrance – Joe Youcha Kids, come build your own paper boat! Parents, come build a boat and watch your child learn. Teachers, come see how project-based learning works. Youcha founded Building to Teach, using boatbuilding for math and science education. “Herreshoff: American Masterpieces:” 3 p.m., Masin Room, North Entrance — Benjamin Mendlowitz This new volume portrays the Herreshoff Manufacturing Company’s finest yachts, which Mendlowitz has photographed for decades. See his photos and hear histories gleaned by authors Maynard Bray and Claas van der Linde.