Paul Peter Ewald
= Paul Peter Ewald
{c}
{title2=1888–1985}
= P. P. Ewald
{c}
{synonym}
A <physicist> who worked on <crystallography>.https://journals.iucr.org/a/issues/1986/01/00/a25312/a25312.pdf[Acta Crystallographica A 42 (1986), obituary, printed p. 4: mathematical physics lectureship and physics professorship]{ref}