Media Contributed by Rick

Contributor
RickStudent, Philosopher, Writer, Developer
Karl Auer von Welsbach —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=714666
Karl Auer von Welsbach
Praseodymium —
Photo Credit:
Praseodymium
Dysprosium —
Photo Credit:
Dysprosium
discoverer of gallium, samarium, and dysprosium
François Lecoq de Boisbaudran — discoverer of gallium, samarium, and dysprosium
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=3808077
François Lecoq de Boisbaudran discoverer of gallium, samarium, and dysprosium
Samarium —
Photo Credit:
Samarium
Lanthanum —
Photo Credit:
Lanthanum
Erbium —
Photo Credit:
Erbium
Terbium —
Photo Credit:
Terbium
Potassium —
Photo Credit:
Potassium
Chromium —
Photo Credit:
Chromium
Nicolas Louis Vauquelin —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=19208861
Nicolas Louis Vauquelin
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