Petra & Mark Zanzig, Jasper National Park, Canada, 2002

AUGUST 2002 – Petra and Mark Zanzig pose for a selfie somewhere in the Jasper National Park in Canada. Photo … More

Grömitz, Germany, 1926

1926 – The beach of Grömitz in Germany, packed with beach chairs. © Mark Zanzig/zanzig.com/Photo: Julius Simonsen

SUMMER 1956 – Inga Schweim on a horse in St.-Peter-Ording in Germany. © Mark Zanzig/zanzig.com/Photo: Otto Schweim

SUMMER 1944 – Kids enjoy a good time at the public beach in Malente-Gremsmühlen in Germany. © Mark Zanzig/zanzig.com/Photo: Otto … More

SUMMER 1956 – Inga Schweim (left) and her mother Edith at the beach of St.-Peter-Ording in Germany. © Mark Zanzig/zanzig.com/Photo: … More

1982 – Inga Zanzig next to a giant sunflower in her garden in Kiel, Germany. © Mark Zanzig/zanzig.com

1977 – Inga Zanzig sails the Kieler Förde in Germany. © Mark Zanzig/zanzig.com

UNDATED – A large cabinet photo shows an illustration of the steamer Normannia which served from 1890 to 1895 on … More

SEPTEMBER 1943 – Mrs. Irmgard, the nanny of the family, feeds Inga Schweim with a bottle at the patio of … More

SEPTEMBER 1961 – Inga Schweim (19) poses with a horse on a paddock near Weissenhaus, Germany. Photo © Mark Zanzig/zanzig.com