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Herman S. Bloch
Herman Samuel Bloch (June 15, 1912 – June 16, 1990) was an American chemist and an inventor. Bloch invented the catalytic converter, a device that removes pollutants from automobile exhaust fumes. Bloch held more than 270 patents. He was the deputy director of research of the aerospace company AlliedSignal Inc, and chairman of the Cook County Housing Authority. He received the Chemical Pioneer Award in 1989 from the American Institute of Chemists. He received the Ernest J. Houdry Award in Applied Catalysis, the E. V. Murphree Award in Industrial and Engineering Chemistry in 1974, and the Richard J. Kokes Memorial Award and Lectureship from Johns Hopkins University in 1971. Bloch was elected to the National Academy of Sciences in 1975. Career Bloch was born in Chicago, Illinois. His parents were Ukrainian-JewishAbraham Scheinberg & Harry Cohen, ''American Jews: Their Lives and Achievements: A Contemporary Biographical Record'', vol. 2, American Jewish Literary Foundation (1958) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Americans
Americans are the Citizenship of the United States, citizens and United States nationality law, nationals of the United States, United States of America.; ; Law of the United States, U.S. federal law does not equate nationality with Race (human categorization), race or ethnicity but rather with citizenship.* * * * * * * The U.S. has 37 American ancestries, ancestry groups with more than one million individuals. White Americans form the largest race (human classification), racial and ethnic group at 61.6% of the U.S. population, with Non-Hispanic whites, non-Hispanic Whites making up 57.8% of the population. Hispanic and Latino Americans form the second-largest group and are 18.7% of the American population. African Americans, Black Americans constitute the country's third-largest ancestry group and are 12.4% of the total U.S. population. Asian Americans are the country's fourth-largest group, composing 6% of the American population. The country's 3.7 million Native Americans i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Immigration To The United States
Immigration to the United States has been a major source of population growth and Culture of the United States, cultural change throughout much of history of the United States, its history. As of January 2025, the United States has the largest List of sovereign states by immigrant and emigrant population, immigrant population in the world in absolute terms, with 53.3 million foreign-born residents, representing 15.8% of the total U.S. population—both record highs. While the United States represented about 4% of the total global population in 2024, 17% of all international migrants resided in the United States. In March 2025, the Federation for American Immigration Reform (FAIR) estimated that approximately 18.6 million Illegal immigration, illegal immigrants resided in the United States. In 2024, immigrants and their Second-generation immigrants in the United States, U.S.-born children number more than 93 million people, or 28% of the total U.S. population. According to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Members Of The United States National Academy Of Sciences
Member may refer to: * Military jury, referred to as "Members" in military jargon * Element (mathematics), an object that belongs to a mathematical set * In object-oriented programming, a member of a class ** Field (computer science), entries in a database ** Member variable, a variable that is associated with a specific object * Limb (anatomy), an appendage of the human or animal body ** Euphemism for penis * Structural component of a truss, connected by nodes * User (computing), a person making use of a computing service, especially on the Internet * Member (geology), a component of a geological formation * Member of parliament * The Members, a British punk rock band * Meronymy, a semantic relationship in linguistics * Church membership, belonging to a local Christian congregation, a Christian denomination and the universal Church * Member, a participant in a club or learned society A learned society ( ; also scholarly, intellectual, or academic society) is an organizatio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Chicago Alumni
A university () is an institution of tertiary education and research which awards academic degrees in several academic disciplines. ''University'' is derived from the Latin phrase , which roughly means "community of teachers and scholars". Universities typically offer both undergraduate and postgraduate programs. The first universities in Europe were established by Catholic monks. The University of Bologna (), Italy, which was founded in 1088, is the first university in the sense of: *being a high degree-awarding institute. *using the word (which was coined at its foundation). *having independence from the ecclesiastic schools and issuing secular as well as non-secular degrees (with teaching conducted by both clergy and non-clergy): grammar, rhetoric, logic, theology, canon law and notarial law.Hunt Janin: "The university in medieval life, 1179–1499", McFarland, 2008, , p. 55f.de Ridder-Symoens, Hilde''A History of the University in Europe: Volume 1, Universities in the M ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Scientists From Chicago
A scientist is a person who Scientific method, researches to advance knowledge in an Branches of science, area of the natural sciences. In classical antiquity, there was no real ancient analog of a modern scientist. Instead, philosophers engaged in the philosophical study of nature called natural philosophy, a precursor of natural science. Though Thales ( 624–545 BC) was arguably the first scientist for describing how cosmic events may be seen as natural, not necessarily caused by gods,Frank N. Magill''The Ancient World: Dictionary of World Biography'', Volume 1 Routledge, 2003 it was not until the 19th century in science, 19th century that the term ''scientist'' came into regular use after it was coined by the theologian, philosopher, and historian of science William Whewell in 1833. History The roles of "scientists", and their predecessors before the emergence of modern scientific disciplines, have evolved considerably over time. Scientists of different er ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American People Of Ukrainian-Jewish Descent
American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, people who self-identify their ancestry as "American" ** American English, the set of varieties of the English language native to the United States ** Native Americans in the United States, indigenous peoples of the United States * American, something of, from, or related to the Americas, also known as "America" ** Indigenous peoples of the Americas * American (word), for analysis and history of the meanings in various contexts Organizations * American Airlines, U.S.-based airline headquartered in Fort Worth, Texas * American Athletic Conference, an American college athletic conference * American Recordings (record label), a record label that was previously known as Def American * American University, in Washington, D.C. Sports teams S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jewish Chemists
Jews (, , ), or the Jewish people, are an ethnoreligious group and nation, originating from the Israelites of ancient Israel and Judah. They also traditionally adhere to Judaism. Jewish ethnicity, religion, and community are highly interrelated, as Judaism is their ethnic religion, though it is not practiced by all ethnic Jews. Despite this, religious Jews regard converts to Judaism as members of the Jewish nation, pursuant to the long-standing conversion process. The Israelites emerged from the pre-existing Canaanite peoples to establish Israel and Judah in the Southern Levant during the Iron Age. John Day (2005), ''In Search of Pre-Exilic Israel'', Bloomsbury Publishing, pp. 47.5 8'In this sense, the emergence of ancient Israel is viewed not as the cause of the demise of Canaanite culture but as its upshot'. Originally, Jews referred to the inhabitants of the kingdom of JudahCf. Marcus Jastrow's ''Dictionary of the Targumim, Talmud Babli, Talmud Yerushalmi and Mid ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1990 Deaths
This is a list of lists of deaths of notable people, organized by year. New deaths articles are added to their respective month (e.g., Deaths in ) and then linked below. 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 Earlier years ''Deaths in years earlier than this can usually be found in the main articles of the years.'' See also * Lists of deaths by day * Deaths by year (category) {{DEFAULTSORT:deaths by year ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1912 Births
This year is notable for Sinking of the Titanic, the sinking of the ''Titanic'', which occurred on April 15. In Albania, this leap year runs with only 353 days as the country achieved switching from the Julian to Gregorian Calendar by skipping 13 days. Friday, 30 November ''(Julian Calendar)'' immediately turned Saturday, 14 December 1912 ''(in the Gregorian Calendar)''. Events January * January 1 – The Republic of China (1912–49), Republic of China is established. * January 5 – The Prague Conference (6th All-Russian Conference of the Russian Social Democratic Labour Party) opens. * January 6 ** German Geophysics, geophysicist Alfred Wegener first presents his theory of continental drift. ** New Mexico becomes the 47th U.S. state. * January 8 – The African National Congress is founded as the South African Native National Congress, at the Waaihoek Wesleyan Church in Bloemfontein, to promote improved rights for Black people, black South Africans, with Joh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Chicago
The University of Chicago (UChicago, Chicago, or UChi) is a Private university, private research university in Chicago, Illinois, United States. Its main campus is in the Hyde Park, Chicago, Hyde Park neighborhood on Chicago's South Side, Chicago, South Side, near the shore of Lake Michigan about from Chicago Loop, the Loop. The university is composed of an College of the University of Chicago, undergraduate college and four graduate divisions: Biological Science, Arts & Humanities, Physical Science, and Social Science, which include various organized departments and institutes. In addition, the university operates eight professional schools in the fields of University of Chicago Booth School of Business, business, Crown Family School of Social Work, Policy, and Practice, social work, University of Chicago Divinity School, divinity, Graham School of Continuing Liberal and Professional Studies, continuing studies, Harris School of Public Policy, public policy, University of Chi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
