Asada Goryu
Asada sunan kauye ne da sunan kauye. An haife shi(ranar haihuwa kamar 6 ga Fabrairu 1734,shekarar Japan Kyoho [1] ) kamar yadda Yasuakira Ayabe, mahaifinsa,Keisai Ayabe ya fito daga dangin Kitsuki mai ƙasa daga Bungo, Kyushu.Asada ya shafe yawancin aikinsa a birnin kasuwanci na Osaka,inda ya yi aikin likita don rayuwa.Shi,sa'an nan, ya ɗauki aikin mahaifinsa a matsayin likita a hukumance a 1767. Saboda manufar gwamnatin Jafanawa ta ware,ka'idar kimiyyar yammacin duniya tana samuwa gabaɗaya ta hanyar tsoffin ayyukan Sinawa waɗanda masu wa'azin mishan Jesuit a China suka shirya.Amma duk da haka Asada ya yi nasarar gina ƙwararrun ƙirar lissafi na ƙungiyoyin sama kuma a wasu lokuta ana ƙididdige shi tare da gano mai zaman kansa na dokar Kepler ta uku . [1]Asada ya kuma yi nazarin ilmin jikin mutum a cikin rubutun yamma kuma an shigar da koyonsa a cikin wani littafin abokinsa Riken Nakai(1732-1817) a Esso-rohitsu (1773). [2]