Messer (weapon) of several "Fechtbücher" (fighting manuals) of the 14th and 15th centuries, including that of Johannes Lecküchner (dealing with the "langes messer"), the "Codex Wallerstein", Hans Talhoffer, Paulus Kal and Albrecht Dürer. Messer (weapon) A messer (German for "knife") is a single-edged sword with a knife-like hilt construction. While the various names are often used synonymously, messers are divided into two types: "Lange Messer" ("long knives") are one-handed swords used by Bourgeoisie (middle-class civilians) for personal self-defence. They were about a meter long and may have evolved from the "Bauernwehr" ("peasant's sidearm"). They are also known as "Großes Messer" (Great Knife).
Heidi Messer collaborated with leading data scientists and PhD-level technology developers in building Collective[i]. In 2014, Messer was awarded two patents in conjunction with Collective[i]'s data analytics network. She is noted as a co-inventor for patent #8,713,076 and patent #8,825,716, "Providing a Multi-Tenant Knowledge Network". Messer is co-founder and CEO of World Evolved, a platform for global investment and expansion. She is also a founding member of the Zokei Network, an invitation only global network of leading artists, technologists, scientists, and business leaders who convene for inspiration in small private salons around the world. Messer is an active angel investor in numerous