Otto Hölder
= Otto Hölder
{c}
{title2=1859–1937}
{wiki}
= Ludwig Otto Hölder
{c}
{synonym}
A <mathematician> who worked on <Fourier series> and <group theory>.<Ludwig Otto Hölder by John Joseph O'Connor and Edmund Frederick Robertson>[MacTutor: quick information and early work]{ref}
\Image[https://mathshistory.st-andrews.ac.uk/Biographies/Holder/Holder.jpeg]
{title=Portrait of Otto Hölder}
{width=220}