Analysis of information sources in references of the Wikipedia article "Impact (typeface)" in English language version.
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: CS1 maint: multiple names: authors list (link)Helvetica Compressed was planned as a three-part family [to fit into] the Linofilm's unit system…I designed Helvetica Compressed and Helvetica Extra Compressed, on my own before Hans-Jürg joined the company. They were released in 1966. Hans-Jürg designed the Ultra Compressed under my eye. It was released in 1968…part of a craze for condensed grots in Europe in the '60s that encouraged me to propose to Mike Parker that I should design a series when I joined Merg[enthaler] in 1965. There was no client in mind for Helvetica Compressed when we did it.