Article recounting the history of the element Germanium, including background material on mining in Germany and the isolation of Germanium by Clemens A. Winkler. Tourist information is provided regarding Winkler's laboratory and mines open to the public as museums.

Article describing the career and discoveries of Carl Wilhelm Scheele. Tourist information regarding locations important to Scheele's life are visited and discussed.

Article describing the history of atomic weight and the events leading up to the Karlsruhe Congress of chemists. The authors visited several sites pertinent to these events and offer tourist information.

Article describing the life of Johann Wolfgang Döbereiner and his attempts to systematically organize the elements. Tourist information regarding locations significant to his history is included.

Article describing the history of aluminum, from its use in alum to its isolation. Tourist information is given regarding locations pertinent to aluminum.

Article describing the career of Robert Bunsen and the history of spectroscopy and its use in mineral analysis. The discovery of cesium and rubidium using spectroscopy on mineral water is included. In addition, the authors offer tourist information regarding locations pertinent to Bunsen and certain mineral water springs.

Article explaining the front cover of issue 3 of volume 99 of The Hexagon, which features a painting of mice around a Bunsen burner. James Marshall discusses the picture and how it relates to the history of chemistry.

Article describing the life and career of Martin Heinrich Klaproth, including his discoveries of uranium and zirconium. Tourist information regarding locations significant to his history is included.

Article recounting the history of the development of the Periodic Table. Sites pertinent to this development were visited by the authors, who provide related tourist information.

Article describing how vanadium was "rediscovered" in Sweden and found to be identical to del Rio's sample. Includes tourist information regarding areas relevant to this portion of vanadium's history.

Article describing the rise and fall of the eighteenth century idea of phlogiston. Tourist information is provided regarding pertinent areas of phlogiston's history.

Article describing the career and discoveries of Georgius Agricola. Tourist information regarding locations important to his life are visited and discussed.

Front cover of volume 100, issue 1 of The Hexagon, featuring the multistory brick and stone church, Nikolaikirche. The church's first several floors are comprised of older stone work while the upper stories use newer red brick. People and vehicles are on the street near the church, and a row of buildings can be seen in the background to the left. The magazine's logo is printed over the church's bluish roof spires. The inside cover contains a table of contents, staff credits, and an editorial.

Front cover of the Winter 2009 issue of The Hexagon, featuring a man in a Berlin shirt riding a bicycle laden with large pretzels. A small dog on a leash follows alongside of him. The inside cover has a table of contents, a list of staff, and an editorial.