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Black and white photo of Marguerite Perey, seated. She is wearing a white lab coat with a black dress underneath. Her hair is pulled back and she has a slight smile on her face. Her right hand is on her lap and her left hand is in her coat pocket.

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https://files.mastodon.social/media_attachments/files/109/648/942/204/633/148/original/c6ca0b72720c2687.jpeg

Notices where this attachment appears

  1. Robert McNees (mcnees@mastodon.social)'s status on Saturday, 07-Jan-2023 16:48:05 UTC Robert McNees Robert McNees

    Physicist Marguerite Perey discovered Francium #OTD in 1939. It was the last element to be found in a naturally occurring state, rather than synthesized.

    Image: Musée Curie/ACJC Collection

    In conversation Saturday, 07-Jan-2023 16:48:05 UTC from mastodon.social permalink
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Chirp! is a social network. It runs on GNU social, version 2.0.1-beta0, available under the GNU Affero General Public License.

Creative Commons Attribution 3.0 All Chirp! content and data are available under the Creative Commons Attribution 3.0 license.