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Karl Willy Wagner (Friedrichsdorf, 22 febb … Karl Willy Wagner (Friedrichsdorf, 22 febbraio 1883 – Friedrichsdorf, 4 settembre 1953) è stato un ingegnere tedesco. Particolarmente noto per i suoi studi pionieristici sui filtri elettronici, si laureò all'Università di Göttingen nel 1910 e dal 1912 fu docente presso il Politecnico di Berlino. Diventò anche direttore dei laboratori di ricerca di ingegneria elettrica del politecnico. Durante la prima guerra mondiale contribuì al miglioramento delle apparecchiature radiofoniche di aerei e sottomarini e sviluppò un metodo di criptazione per i messaggi delle forze armate tedesche. Nel 1917-1918 lavorò per la Telefunken. Nel 1925 fu nominato professore emerito dell'università tecnica di Berlino. Nel 1936, durante il regime nazista, fu allontanato dalla società elettrica per cui lavorava perché si rifiutò di licenziare gli impiegati ebrei. Lo scienziato ed ingegnere statunitense Hendrik Bode ha detto di lui: « È stato uno dei due tedeschi le cui importanti scoperte si diffusero lentamente fuori dalla Germania a causa dell'accidentale intervallo della seconda guerra mondiale ». L'altro tedesco a cui si riferiva è Wilhelm Cauer, di cui Wagner fu supervisore della tesi di laurea nel 1926. Wagner e Cauer rimasero in buoni rapporti fino al 1942, quando ebbero un diverbio dopo che Cauer non appoggiò le sue proposte di ricerca per l'Associazione tedesca degli ingegneri elettrici ed elettronici (VDE), per la quale entrambi lavoravano.i (VDE), per la quale entrambi lavoravano.
, Karl Willy Wagner (22 February 1883 – 4 Se … Karl Willy Wagner (22 February 1883 – 4 September 1953) was a German pioneer in the theory of electronic filters. He is noted by Hendrik Bode as being one of two Germans whose; . . . important contributions were slow to diffuse outside Germany because of the accidental intervention of World Wars I and II. The other German being referred to is Wilhelm Cauer. Wagner was the second referee on Cauer's milestone 1926 thesis but Wagner fell out with Cauer in 1942 after he refused to support Wagner's research proposals with the German Society of Electrical Engineers (Verband der Elektrotechnik - the VDE). Wagner was removed from office in 1936 because he refused to dismiss his Jewish employees.e refused to dismiss his Jewish employees.
, Karl Willy Wagner (* 22. Februar 1883 in Friedrichsdorf, Taunus; † 4. September 1953 ebenda) war ein deutscher Nachrichtentechniker und neben George Ashley Campbell Mitbegründer der Theorie der elektrischen Filter.
, Karl Willy Wagner (né le 22 février 1883 à Friedrichsdorf et mort le 4 septembre 1953 dans la même ville) est un ingénieur en communications allemand qui, au côté de , est le cofondateur de la théorie des filtres électriques.
, كارل ويلي فاغنر (بالألمانية: Karl Willy Wagner) هو مهندس ألماني، ولد في 22 فبراير 1883 في فريدريشسدورف في ألمانيا، وتوفي بنفس المكان في 4 سبتمبر 1953.
, Karl Willy Wagner, född 22 februari 1883 i … Karl Willy Wagner, född 22 februari 1883 i , Taunus, död där 4 september 1953, var en tysk elektrotekniker. Wagner studerade matematik och fysik vid universiteten i Berlin och Göttingen, där han även tjänstgjorde som assistent åt Hermann Theodor Simon vid institutet för tillämpad elektricitetslära, samt promoverades där 1910 till filosofie doktor på avhandlingen Der Lichtbogen als Wechselstromerzeuger. Samma år utnämndes han till telegrafingenjör i Reichspostamt, blev 1912 privatdocent vid tekniska högskolan i Berlin och kallades 1914 till professor och medlem vid Physikalisch-technische Reichsanstalt som ledare för dess starkströmslaboratorium. Från 1918 var han chef och ledare för Reichspostamtets Telegraphen-Versuchsamt. Hans karriär fick ett abrupt slut 1936, då han avlägsnades från sina tjänster efter att ha vägrat avskeda judiska medarbetare. Wagner utgav det på sitt område banbrytande arbetet Elektromagnetische Ausgleichsvorgänge in Freileìtungen und Kabeln samt publicerade i facktidskrifter en rad avhandlingar inom olika områden av såväl starkströms- som svagströmstekniken, dels av teoretisk art, dels även grundade på omfattande experiment. I många fall lämnade hans arbeten nya originella uppslag rörande viktiga problem och bildade utgångspunkt för en omfattande litteratur. Bland de spörsmål, som han undersökte och bearbetade, märks problemen om överspänningar vid kraftledningar och deras bekämpande, restladdningsfenomen och hysteresis hos dielektrika samt deras inflytande på elektromagnetiska vågors fortplantning utefter kabelledningar och teorin för kedjeledningar. Han fann även, efter omfattande experiment, en ytterst noggrann mätmetod för bestämmande av mycket små kapacitanser och för uppmätning härvid av den så kallade förlustvinkeln. Wagner tilldelades 1919 Cedergrenska guldmedaljen och invaldes 1935 som korresponderande ledamot av svenska Ingenjörsvetenskapsakademien.t av svenska Ingenjörsvetenskapsakademien.
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Karl Willy Wagner (né le 22 février 1883 à Friedrichsdorf et mort le 4 septembre 1953 dans la même ville) est un ingénieur en communications allemand qui, au côté de , est le cofondateur de la théorie des filtres électriques.
, Karl Willy Wagner (* 22. Februar 1883 in Friedrichsdorf, Taunus; † 4. September 1953 ebenda) war ein deutscher Nachrichtentechniker und neben George Ashley Campbell Mitbegründer der Theorie der elektrischen Filter.
, Karl Willy Wagner, född 22 februari 1883 i … Karl Willy Wagner, född 22 februari 1883 i , Taunus, död där 4 september 1953, var en tysk elektrotekniker. Wagner studerade matematik och fysik vid universiteten i Berlin och Göttingen, där han även tjänstgjorde som assistent åt Hermann Theodor Simon vid institutet för tillämpad elektricitetslära, samt promoverades där 1910 till filosofie doktor på avhandlingen Der Lichtbogen als Wechselstromerzeuger. Samma år utnämndes han till telegrafingenjör i Reichspostamt, blev 1912 privatdocent vid tekniska högskolan i Berlin och kallades 1914 till professor och medlem vid Physikalisch-technische Reichsanstalt som ledare för dess starkströmslaboratorium. Från 1918 var han chef och ledare för Reichspostamtets Telegraphen-Versuchsamt. Hans karriär fick ett abrupt slut 1936, då han avlägsnades från sirupt slut 1936, då han avlägsnades från si
, Karl Willy Wagner (Friedrichsdorf, 22 febb … Karl Willy Wagner (Friedrichsdorf, 22 febbraio 1883 – Friedrichsdorf, 4 settembre 1953) è stato un ingegnere tedesco. Particolarmente noto per i suoi studi pionieristici sui filtri elettronici, si laureò all'Università di Göttingen nel 1910 e dal 1912 fu docente presso il Politecnico di Berlino. Diventò anche direttore dei laboratori di ricerca di ingegneria elettrica del politecnico. Durante la prima guerra mondiale contribuì al miglioramento delle apparecchiature radiofoniche di aerei e sottomarini e sviluppò un metodo di criptazione per i messaggi delle forze armate tedesche. Nel 1917-1918 lavorò per la Telefunken. Nel 1925 fu nominato professore emerito dell'università tecnica di Berlino.merito dell'università tecnica di Berlino.
, كارل ويلي فاغنر (بالألمانية: Karl Willy Wagner) هو مهندس ألماني، ولد في 22 فبراير 1883 في فريدريشسدورف في ألمانيا، وتوفي بنفس المكان في 4 سبتمبر 1953.
, Karl Willy Wagner (22 February 1883 – 4 Se … Karl Willy Wagner (22 February 1883 – 4 September 1953) was a German pioneer in the theory of electronic filters. He is noted by Hendrik Bode as being one of two Germans whose; . . . important contributions were slow to diffuse outside Germany because of the accidental intervention of World Wars I and II. Wagner was removed from office in 1936 because he refused to dismiss his Jewish employees.e refused to dismiss his Jewish employees.
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, كارل ويلي فاغنر
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