{"name":"Familiar Letters on Chemistry","short_name":"Familiar Letters on Chemistry","theme_color":"#ffffff","start_url":"/","display":"standalone","background_color":"#fff","description":"Justus von Liebig (1803-1873) was a German chemist who made major contributions to agricultural and biological chemistry and is known for his discovery of nitrogen as an essential plant nutrient.","icons":[{"src":"https://deow9bq0xqvbj.cloudfront.net/image-logo/3708710/Familiar-Letters-on-Chemistry_300x300.jpg","sizes":"300x300","type":"image/png"}]}