• Thumbnail for Konrad Pellikan
    the most interesting documents of the period. It was first published by Riggenbach in 1877, and in this volume the other sources for his life are registered...
    9 KB (1,118 words) - 23:27, 22 June 2024
  • (1947–2018), pediatrician, founder of children's hospitals in Cambodia Niklaus Riggenbach (1817–1899), engineer Frithjof Schuon (1907–1998), Sufi writer, born in...
    41 KB (348 words) - 14:30, 25 June 2024
  • Rickover (1900–1986), U.S. – Nuclear submarine Niklaus Riggenbach (1817–1899), Switzerland – Riggenbach rack railway system, Counter-pressure brake Dennis...
    106 KB (11,964 words) - 21:29, 11 June 2024