[{"n": "Simcha Blass", "u": "/e/20th-century-polish-inventors/simcha-blass/", "s": "Polish-Israeli engineer who invented modern drip irrigation."}, {"n": "Jan Czochralski", "u": "/e/20th-century-polish-inventors/jan-czochralski/", "s": "Inventor of the Czochralski method for single crystal growth."}, {"n": "Julius Fromm", "u": "/e/20th-century-polish-inventors/julius-fromm/", "s": "Inventor of the seamless rubber condom and founder of Fromms brand."}, {"n": "Walter König", "u": "/e/20th-century-polish-inventors/walter-k-nig/", "s": "Austrian-Polish inventor and soldier for Polish freedom."}, {"n": "Józef Kosacki", "u": "/e/20th-century-polish-inventors/j-zef-kosacki/", "s": "Inventor of the first portable mine detector."}, {"n": "Henryk Magnuski", "u": "/e/20th-century-polish-inventors/henryk-magnuski/", "s": "Polish engineer who helped develop the first Walkie-Talkie."}, {"n": "Marian Rejewski", "u": "/e/20th-century-polish-inventors/marian-rejewski/", "s": "Polish cryptologist who cracked the Enigma machine."}, {"n": "Ladislas Starevich", "u": "/e/20th-century-polish-inventors/ladislas-starevich/", "s": "Pioneer of puppet animation and stop-motion filmmaking."}, {"n": "Wacław Struszyński", "u": "/e/20th-century-polish-inventors/wac-aw-struszy-ski/", "s": "Polish engineer whose antenna enabled HF/DF systems against U-boats."}, {"n": "Władysław Świątecki (inventor)", "u": "/e/20th-century-polish-inventors/w-adys-aw-wi-tecki-inventor/", "s": "Polish inventor of the Swiatecki bomb slip device."}, {"n": "Joseph Szydlowski", "u": "/e/20th-century-polish-inventors/joseph-szydlowski/", "s": "Polish-French-Israeli aircraft engine designer and founder of Turbomeca."}, {"n": "Tadeusz Tański", "u": "/e/20th-century-polish-inventors/tadeusz-ta-ski/", "s": "Polish engineer who designed the first serially-built Polish car."}, {"n": "Władysław Tryliński", "u": "/e/20th-century-polish-inventors/w-adys-aw-tryli-ski/", "s": "Polish engineer who invented the trylinka paving block."}, {"n": "Władysław Szaniawski", "u": "/e/20th-century-polish-inventors/w-adys-aw-szaniawski/", "s": "Polish inventor who built an observatory and meteorological station."}, {"n": "Mieczysław Wolfke", "u": "/e/20th-century-polish-inventors/mieczys-aw-wolfke/", "s": "Polish physicist, forerunner of holography and television."}, {"n": "Henryk Zygalski", "u": "/e/20th-century-polish-inventors/henryk-zygalski/", "s": "Polish cryptologist who broke Enigma ciphers."}]