Friedrich Ludwig Kreysig
Friedrich Ludwig Kreysig (1779 - 1839) was a German physician and botanist. Described the Heim-Kreysig sign (1816)
Tag Heim-Kreysig sign
Ernst Ludwig Heim
Ernst Ludwig Heim (1747 - 1834) was a German physician and naturalist. Heim-Kreysig sign (1816) adherent pericarditis