The most "mentioned" authors according to google search by country loading nav links
code at github

Afghanistan
Albania
Algeria
Angola
Argentina
Armenia
Australia
Austria
Azerbaijan
Bangladesh
Basque
Belgium
Bolivia
Bosnia
Botswana
Brazil
Bulgaria
Burma
Canada
Cape Verde
Chile
China
Colombia
Costa Rica
Cote d'Ivoire
Croatia
Cuba
Cyprus
Czech Republic
Denmark
Ecuador
Egypt
El Salvador
Estonia
Ethiopia
Faroe Islands
Finland
France
Germany
Ghana
Greece
Guernsey
Guyana
Haiti
Honduras
Hong Kong
Hungary
Iceland
India
Indonesia
Iran
Iraq
Israel
Italy
Jamaica
Japan
Kenya
Latvia
Lebanon
Lithuania
Luxembourg
Macedonia
Malaysia
Mali
Malta
Martinique
Mexico
Morocco
Nepal
Netherlands
New Zealand
Nicaragua
Nigeria
Norway
Pakistan
Paraguay
Peru
Philippines
Poland
Portugal
Puerto Rico
Romania
Russia
Scotland
Senegal
Singapore
Slovakia
Slovenia
Somalia
South Africa
South Korea
Soviet
Spain
Sri Lanka
Sweden
Switzerland
Syria
Taiwan
Thailand
Trinidad and Tobago
Turkey
Uganda
Ukraine
United Kingdom
United States
Uruguay
Venezuela
Vietnam
Wales
Zimbabwe