1945 1952-1961 1989 20thcenturyamericanhistory aeronauticalengineering aerospaceengineering airfreight airlineindustries airports applications as/400 automotivebusiness automotiveindustries aviation aviationrepair biography bioinformatics biology biotechnology business businessbiography businessdirectories businesshistory businesslife capital clinicalmedicine commercialaviation computerbusiness computerindustry computernetworks computerprogramming computers culture datacomsystems development diplomaticrelations e-commerce economic economicaspects economicconditions economics electrical electronicengineering electronics energy engineering enterprisecomputingsystems europe finance forei general generalsoftwareengineering globalization government guides hardwarerelatedprogramming history humanresources industrial industrialaspectsoftechnology industrialists industry intellectual internationalbusiness internationaleconomics internationaltrade internet japan japanesehistory knowledgemanagement leadership lifesciences m maintenance management marketing miscellaneous multimedia networking networks organizationalbehavior personalgrowth personnelmanagement philosophyofscience policies politicalaspectsoftechnology politics presidentsoftheunitedstates products programminglanguages programmingmethodology propertylaw publicaffairs radar realestate reference relatedindustries reliability research safety sales science scientists semiconductors services signalprocessing skills software softwareengineering strategy technologicalinnovations telecom telecommunications telecommunicationstechnology transferance transportation transportationindustries troubleshooting utilitiesindustries weaponsofwar webdirectories worldwideweb