Alphabetical Index
Index by Birth Year
Miguel A. Catalán
* 1894 in Zaragoza/Spain
+ 1957 in Madrid
Miguel Antonio Catalán Sańudo was a Spanish spectroscopist.
Examining the spectrum of the arc of manganese,
he determined that the optical spectra of complex atoms consisted
of groups of lines
- which he called "multipletes"- between which existed certain
characteristic regularities.
2020 J. Giesen