Abélard, Pierre. 1079-c1144. French Conceptualist theologian of Notre-Dame. Advocated discussion vs dogma. Famed love of Héloïse. Accused of heresy 1121. Letters to Heloise 1103. Sic et Non 1132. Theologia.

Berthelot, Marcelin. 1827-1907. French organic chemist. Alcohol synthesis 1854. Organic Chemistry 1860.

Heloïse. c1098-1164. Niece of Fulbert, loved by Abelard.

Helots. Spartan slave class. Rebelled 464BC.

Night of the Long Knives. 1934. Hitler’s SS murder 77+ Nazi opponents and others.

Pausanius. Spartan. Drove Persians from Greece at Plataea, 479BC. Starved to death for plotting helot uprising.

SA. 1921-34. Brownshirts. Nazi force for breaking up rival party meetings. Purged on Night of Long the Knives.

Schleicher, Kurt von. 1882-1934. Last chancellor of Weimar Republic 1932-3. Opposed Hitler. Murdered by SS on Night of Long Knives.