<oai_dc:dc xmlns:dpla="http://dp.la/about/map/" xmlns:cnt="http://www.w3.org/2011/content#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dcmitype="http://purl.org/dc/dcmitype/" xmlns:edm="http://www.europeana.eu/schemas/edm/" xmlns:gn="http://www.geonames.org/ontology#" xmlns:oa="http://www.w3.org/ns/oa#" xmlns:ore="http://www.openarchives.org/ore/terms/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:svcs="http://rdfs.org/sioc/services" xmlns:wgs84="http://www.w3.org/2003/01/geo/wgs84_pos#" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/">
  <dc:identifier>https://digital.sciencehistory.org/works/qhz3roy</dc:identifier>
  <dc:title>Three Generations of the Julian Family: Dr. Percy Lavon Julian, Percy Lavon Julian Jr., and James Sumner Julian</dc:title>
  <dc:rights>http://rightsstatements.org/vocab/InC-RUU/1.0/</dc:rights>
  <dc:date>Circa 1948</dc:date>
  <dc:description>Black and white photograph of Percy Lavon Julian (1899-1975) [left], his son Percy Lavon Julian Jr. (1940-2008) [middle], and his father James Sumner Julian (1871-1955) [right]. 

Julian is internationally recognized for pioneering research on cortisone, sex hormones, soybean proteins, and firefighting foam. Over the course of his career, Julian received more than 130 chemical patents and in 1973, became the second African American, following David Blackwell (1919-2010), to be elected to the National Academy of Sciences.

James Sumner Julian was a railway mail clerk and a graduate of Alabama State University. Percy Julian Jr. was a civil rights attorney in Madison, Wisconsin. 

</dc:description>
  <dcterms:isPartOf>Percy Lavon Julian Papers</dcterms:isPartOf>
  <dcterms:extent>20 cm W x 25.2 cm H</dcterms:extent>
  <dcterms:spatial>United States</dcterms:spatial>
  <dc:subject>Julian, Percy Lavon, 1899-1975</dc:subject>
  <dc:subject>Julian, Percy L., Jr., 1940-2008</dc:subject>
  <dc:subject>Julian, James Sumner, 1871-1955</dc:subject>
  <dc:subject>African American chemists</dc:subject>
  <dc:subject>Chemists</dc:subject>
  <dc:subject>Scientists</dc:subject>
  <dc:subject>Scientists, Black</dc:subject>
  <dc:type>image</dc:type>
  <dc:type>photographs</dc:type>
  <edm:preview>https://digital.sciencehistory.org/downloads/deriv/xke8m5g/thumb_large_2X?disposition=inline</edm:preview>
  <dpla:originalRecord>https://digital.sciencehistory.org/works/qhz3roy</dpla:originalRecord>
  <edm:rights>http://rightsstatements.org/vocab/InC-RUU/1.0/</edm:rights>
  <edm:hasType>photographs</edm:hasType>
  <edm:object>https://digital.sciencehistory.org/downloads/deriv/xke8m5g/download_full?disposition=inline</edm:object>
</oai_dc:dc>