- Bethsaida (Wikipedia)
Bethsaida (/bɛθˈseɪ.ɪdə/ beth-SAY-id-ə; from Ancient Greek: Βηθσαϊδά, romanized: Bēthsaïdá; from Aramaic and Hebrew: בֵּית צַידָה, romanized: Bēṯ Ṣayḏā, lit. ‘House of the Fisherman’ or ‘House of the Hunter’, from the Hebrew root צ-י-ד; Arabic: بيت صيدا, romanized: Bayt Ṣaydā), also known as Julias or Julia (Ancient Greek: Ἰουλία, romanized: Ioulía), is a place mentioned in the New Testament. Julias lay in an administrative district known as Gaulonitis. Historians have suggested that the name is also referenced in rabbinic literature under the epithet Ṣayḏān (Hebrew: צַידָן).
- Leonhard Euler (Wikipedia)
Leonhard Euler (/ˈɔɪlər/ OY-lər, German: [ˈleːɔnhaʁt ˈʔɔʏlɐ], Swiss Standard German: [ˈleːɔnhart ˈɔʏlər]; 15 April 1707 – 18 September 1783) was a Swiss mathematician, physicist, astronomer, geographer, logician, and engineer who founded the studies of graph theory and topology and made pioneering and influential discoveries in many other branches of mathematics such as analytic number theory, complex analysis, and infinitesimal calculus. He introduced much of modern mathematical terminology and notation, including the notion of a mathematical function. He is also known for his work in mechanics, fluid dynamics, optics, astronomy, and music theory.