Laszlo Biro was inducted into the Inventors Hall of Fame in 2007 for developing this type of pen in the 20th century
... 4.9.7 1860s 4.9.8 1870s 4.9.9 1880s 4.9.10 1890s o 4.10 20th century 
4.10.1 ...... 1937: Nylon: Wallace H. Carothers[8] 1938: Ballpoint pen: Laszlo Biro.