Unlike the sharp, hairline serifs of a Didot or the smooth, bracketed serifs of a Times New Roman, Aachen’s serifs are thick, rectangular slabs. They are attached to the main stems with a slight bracket (curve), but the visual impression is that of a steel beam welded to a column.
Alan Meeks collaborated with Brignall to add a Medium weight.
The "Pro" designation includes:
Companies looking for a typeface that communicates professionalism, reliability, and a touch of elegance often turn to Aachen Pro for their branding needs.