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The company was created from the activities of two German entrepreneurs, ''Paul Kohler'' and ''Christian Schaefer'', in Pforzheim, in Germany around 1910,<ref>the majority of the data relating to this company comes from direct correspondence with the great-grandson of ''Christian Schaefer'', which allowed us to correct the errors and inaccuracies previously present on the page; some dates, such as that of the foundation or the closure of the original German company are still indicative; the names of the two founders are also in the patent {{Cite patent|GB|302015}}  (identical to  {{Cite patent|CH|130454}}) registered in the name of  ''Kohler & Schaefer''.</ref> and from the initial letters of their names was born that of the company. The company was initially dedicated to the production of multi lead mechanical pencils, in gold and silver, capable of changing four colours.

The company was created from the activities of two German entrepreneurs, ''Paul Kohler'' and ''Christian Schaefer'', in Pforzheim, in Germany around 1920,<ref>the majority of the data relating to this company comes from direct correspondence with the grandniece of ''Christian Schaefer'', which allowed us to correct the errors and inaccuracies previously present on the page; some dates, such as that of the foundation or the closure of the original German company are still indicative; the names of the two founders are also in the patent {{Cite patent|GB|302015}}  (identical to  {{Cite patent|CH|130454}}) registered in the name of  ''Kohler & Schaefer''.</ref> and from the initial letters of their names was born that of the company. The company was initially dedicated to the production of multi lead mechanical pencils, in gold and silver, capable of changing four colours.