Modify engravers or designers: Add data [Risolto]

• 1898 • Alexander Haytov
  Bulgarina artist (1954-?).
  → https://en.wikipedia.org/wiki/List_of_medallists#Bulgarian
  https://web.archive.org/web/20170822052325/http://eventsbg.com/en/holidays/2595/Aleksandur-Hajtov---skulptor
  Alexander Haytov (born 4 July 1954) is a Bulgarian sculptor.
• 1899 • Alexander Poplilov
  Bulgarian artist (1916-?).
  → I think he is https://www.wikidata.org/wiki/Q12271550
  QID = Q12271550
  Alexander Poplilov (12 May 1916, Kula - 9 September 2001, Sofia) was a Bulgarian painter, graphic artist and illustrator.
• 1923 • Johann Peter Rasp • Q111447862
  Mint Master, Staatliche Münze Baden-Württemberg (1746-1772).
  → https://www.wikidata.org/wiki/Q111447862
  https://mmlo.de/13029
  Johann Peter Rasp (26 October 1700, Buchbrunn im Maindreieck  - 6 January 1773, Stuttgart) was a German mint master at the State Mint of Baden-Württemberg (1746-1772).

Thanks a lot !