Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 35. Chapters: Ajith C. S. Perera, Amarasiri Dodangoda, Amila Dharmapriya, Athula Samarasekera, Buddika Sandaruwan, C. W. W. Kannangara, Chaminda Mendis, Champaka Ramanayake, Chandima Weerakkody, Cyril de Zoysa, Cyril Ponnamperuma, Danushka Samarakoon, Dhammika Niroshana, Dilith Jayaweera, Duminda Wijeweera, Ediriweera Sarachchandra, Gamini Haththotuwegama, Gayantha Karunathilaka, Harsha Vithana, Hemantha Devapriya, Henry Meaden, I. J. Wickrema, Katukurunde Nanananda Thera, Lasith Malinga, Lionel Premasiri, Muditha Kaushalya, Nalinda Ranasinghe, Nandadasa Kodagoda, Nihal Jayawickrama, Pearl Vasudevi, Pradeep de Silva (cricketer), Prathapa Siriwardene, R.G. Anthonisz, R. I. T. Alles, Ranjit Abeysuriya, Rienzi Crusz, Sajeewa Weerakoon, Samith Tillakaratne, Sammu Raghu De Silva Chandrakeerthy, Sarala Kariyawasam, Sarath Ambepitiya, Shadeep Silva, Somachandra de Silva, Sujatha (actress), Tharanga Suresh, Upul Chandana, Ushan Manohara, Viraj Perera, Wijeyananda Dahanayake, Yoshan Kumara. Excerpt: Ajith Chrysantha Stephen Perera, JP, CChem., FRSC (born 29 February 1956), is a Chartered Chemist by profession, a scholar, a former senior manager in industry, a qualified training instructor, also a former test-match-panel Cricket Umpire, now, by reason of personal adversity has become an accomplished author, disability rights activist and an accessibility adviser / auditor. The international admiration Perera has won and the national recognition he has gained have come through his achievements, acquired both in Sri Lanka and in England in different fields: cricket, analytical chemistry and quality assurance, in all of which he is academically and professionally well qualified and widely experienced. He is the founder and, as of 10 March 2013, holds the honorary position of Chief Executive / Secretary-General of IDIRIYA (a registered, not-for-profit humanitarian service organisation in Sri Lanka). Almost on the eve of umpiring his first cricket test match in Colombo, Sri Lanka vs New Zealand, a large wayside tree crashed on and straddled his moving car, killing his chauffer and leaving him instantaneously a paraplegic for life. Born to Instructor Commander M. G. S. Perera, former Director of Naval Training, Royal Ceylon Navy and former Senior Staff Captain / Nautical Instructor (Training of Deck Officer Cadets) Ceylon Shipping Corporation (1977 1983) and Maureen Johanna Perera, he has one Sister, Deepthi C. J. Guneratne BSc(Botany), MSc(soil chemistry). Perera completed his primary and secondary education at the Royal Primary School and the Royal College Colombo and thereafter gained BSc(Honours) from the University of Colombo in May 1975 followed by a joint MSc from the University of Colombo and the University of Birmingham in July 1977. He thereby qualified professionally in the field of Analytical Chemistry, specialising in the subject of Quality Assurance, in which he holds an honorary PhD Perera is a Chartered Chemist by profession and a Registered Analytic