- Erwin Rudolf Josef Alexander Schrödinger ForMemRS HonMRIA (UK: /ˈʃrɜːdɪŋə, ˈʃroʊdɪŋə/, US: /ˈʃroʊdɪŋər/; German: [ˈɛɐ̯vɪn ˈʃʁøːdɪŋɐ]; 12 August 1887 – 4 January 1961), sometimes written as Schroedinger or Schrodinger, was a Nobel Prize–winning Austrian and naturalized Irish physicist who developed fundamental results in quantum theory. In particular, he is recognized for postulating the Schrödinger equation, an equation that provides a way to calculate the wave function of a system and how it changes dynamically in time. He coined the term “quantum entanglement”, and was the earliest to discuss it, doing so in 1932.
- Schrödinger equation (Wikipedia)
- Piano (Wikipedia)
The piano is a keyboard instrument that produces sound when pressed on the keys. Most modern pianos have a row of 88 black and white keys: 52 white keys for the notes of the C major scale (C, D, E, F, G, A, and B) and 36 shorter black keys raised above the white keys and set further back, for sharps and flats. This means that the piano can play 88 different pitches (or “notes”), spanning a range of a bit over seven octaves. The black keys are for the “accidentals” (F♯/G♭, G♯/A♭, A♯/B♭, C♯/D♭, and D♯/E♭), which are needed to play in all twelve keys.
- Schrödinger was born in Erdberg [de], Vienna, Austria, on 12 August 1887, to Rudolf Schrödinger [de] (cerecloth producer, botanist) and Georgine Emilia Brenda Schrödinger (née Bauer) (daughter of Alexander Bauer [de], professor of chemistry, TU Wien). He was their only child.
- On 4 January 1961, Schrödinger died of tuberculosis, aged 73, in Vienna.