Sri Sadasiva Shastrigal (who was popularly known as Sivan Sar) was the younger brother of the great Paramacharya of Kanchi Sri Chandrasekarendra Saraswathi Swamigal.Sivan Sir lived the life of a yogi. He rarely ate and almost drank no water.
His life history is described in a book - "Siva Sagarathil Sila Alaigal". For a PDF version of this book in Tamil, click on the link below.
Sir's magnus opus has been the book titled "Yenipadigalil Manthargal". As the name suggests, he mentions different categories of people and their sins or merits and how to lead a life of wisdom and peace.In this book he talks in detail about the unknown past History of India. He also writes about the real history of several countries - Egypt, Italy,Bulgaria,Greece etc. which has been masked. He describes the various deities worshipped in the past and their relevance.
Sri Sivan Sar Book Yenipadigalil Manthargal
He also talks about various ancient mystics and kings.He explores the link between Hinduism,Paganism, Wicca and various ancient religions and establishes the common base between all of them. For a person who has never travelled outside India, it is simply beyond imagination on the amount information he provides in this book. He also mentions some starling facts and predictions on the future of the world.
He covers the life history of several saints/kings/mystics across religions in his book. Some of them are
Shabaka of Egypt
Bausis & PhileMon
John and Bogomiles
Solon & Croesus
and Indian saints like
Sri Sadasiva Brahmendra
Pattinathar & Badrakiriyar
Sri Narayana Teertha
Sri Teertha Narayanar - He clearly mentions that this saint is different from Sri Narayana Teerthar and his life history is almost lost in this time.
Sri Chinnaswamy Iyengar (Chinnan Samiyar) - His photograph is below and his Mahasamadhi is located at Sannanallur, Tiruvarur district, Tamilnadu
Sri Bhagavan Nama Bodendral
Shri Chinna Swamigal
This book is a must read for anyone who has a reasonable interest in Spirituality and History. It is available with Narmada publications,Chennai.Phone : 044 24343793 / 24336313
Rare or probably the only video of Sri Sivan Sar
Here is an article on Sivan Sar from Kumudam Jothidam book. HH Sivan Sar
Here is a link to a Tamil lecture by Sri Sundara Kumar on Sadasiva Brahmendra and Sivan Sir.In the first part of the lecture he talks about Sadasiva Brahman and about Sivan Sir in the second part.
Here he mentions a very important point. Sir wished that the Aradhana of Sri Brahmendral be celebrated in all the places where he attained Maha Samadhi. When questioned about Karachi, Sir says, if Brahmendral decides, the two countries would unite. Let us pray to Sri Brahmendral that he helps us to identify his Mahasamadhi at Karachi. We should also offer our prayers so that the hatred between the two countries is removed.