16th century Johannes Kepler was born on 27th December, 1571 in Weil der Stadt (Baden-Württemberg).
18th century David-Henri Grandjean was born on 27th December, 1772 in La Sagne, Neuchatel. Jean-Modeste Lepaon was born on 27th December, 1774 in Saint-Nicolas d'Aliermont. David-François Huguenin was born on 27th December, 1786 in La Brévine.
19th century Victoire-Caroline Lefebvre was born on 27th December, 1827 in Saint-Nicolas d'Aliermont. Marie-Corinne Queval was born on 27th December, 1844 in Dampierre-Saint-Nicolas. August Benjamin LeCoultre was born on 27th December, 1847. Etienne Emile Delépine was born on 27th December, 1848 in Saint-Nicolas d'Aliermont. Julia-Charlotte Pimont was born on 27th December, 1853 in La Chaussée (Seine-Maritime). Maria-Émilie Boé was born on 27th December, 1854 in Saint-Nicolas d'Aliermont. Céline-Amélie Aubin was born on 27th December, 1856 in Saint-Nicolas d'Aliermont. Achille-Alfred Aubé was born on 27th December, 1858 in Saint-Nicolas d'Aliermont. Margarete Weiß was born on 27th December, 1888.
17th century Pierre Duhamel died on 27th December, 1686 in Geneva.
18th century Jean Badollet died on 27th December, 1718 in Geneva.
19th century Abraham Ambühl died on 27th December, 1808. Andreas Lehmann died on 27th December, 1814.
20th century Karl Wilhelm Höhnel died on 27th December, 1936. Hermann Goertz died on 27th December, 1944 in Aue.