Ernst Friedrich Apelt (3 March 1812, Reichenau, Saxony – 27 October 1859, Oppelsdorf, Upper Lusatia, Saxony) was a German philosopher and entrepreneur. He was a student of Jakob Friedrich Fries, succeeding him at the University of Jena. He was the principal contributor to the Abhandlungen der Fries'sche Schule, which he founded with Matthias Jakob Schleiden.
He was also one of the early scholars of the life and work of Johannes Kepler, a precursor of Alexandre Koyré.
- Nick Jardine, "Koyré's Kepler/Kepler's Koyré", History of Science, Vol. 38 (2000), pp. 363–376
- ^ Friesian School
- ^ Pauline M. H. Mazumdar, Species and Specificity: An Interpretation of the History of Immunology (1995), p.24.